I'm not sure about the 22 follicles but the fact you have 3 larger ones shouldn't be too unusual as women can ovulate multiple eggs (hence may have fraternal twins etc) and women normally grow several follicles its just that normally one would dominate and the others wither away before O. While your FSH was highish its still not that high and the fact that you have multiple follicles is promising and FSH is just an indication anyway, and can fluctuate from month to month.

So are you doing a timed natural cycle this month? Can they check for ovulation so you can TTC naturally? If so best of luck