GA pilot reported a critical ground conflict during landing with military aircraft on the runway. GA pilot performed a go-around.

Narrative

After cancelling IFR into ZZZ; joined pattern midfield downwind along with 2 or 3 other single engine aircrafts.In accordance with this excerpt from AF/D for ZZZ:'Noise: Noise abatement; enter pat 45 degree to downwind ...'I entered the pattern 45 degrees downwind following a single engine highwing; making radio calls as appropriate. Not too long after entering; a V-22 Osprey (military VTOL (Vertical Takeoff and Landing) Rotorcraft); began making calls about entering the pattern from the south. The V-22 shunted in to the base leg after the aircraft I was following. I had visual contact; and announced that I would 'go as slow as I could' to follow the V-22. I continued an extended downwind to allow the V-22 to shoehorn in (as I had no other choice than to take delaying tactic such as 360 - but as I was unsure of any traffic following me I elected to extend and slow down to delay). I continued to make radio calls while proceeding on the extended downwind; then turn to base and final. During this time I observed the first high wing land and proceed off the runway. During this time I also continued to state my position; making several announcements about my position on base and final. As I was on the long final I observed the V-22 coming onto the runway; touching down and continuing to sit on the runway. I expected the V-22 to move off the runway as quickly as possible due to my continued position reporting and my initial statement of 'slow as possible'. As I approached short final; the V-22 was still in the middle of the runway; approximately midfield. I continued my approach and touched down. At this point the V-22 was still not moving. At the last moment to avoid running into the stationary V-22; I applied full power and cleaned up the airplane while executing a hard right climbing turn and barely avoided the V-22 that was still on the runway with rotors turning. My stall horn actuated due to low speed and potential accelerated stall approaching. I announced my go-round and went around for an uneventful landing as the V-22 had finally cleared the runway.In retrospect I should have executed the go-round much sooner; I had unfounded expectations that the V-22 pilot would vacate the runway ASAP given that their 'pattern entry' was non-standard and contrary to the AF/D; my multiple announcements that I was behind in a landing configuration; and their approach and 'shoehorn' entry into a pattern frequented by many types of GA aircraft.