YAY! If you want, hold the guilty egg up to your ear, you can tell they are alive, some make gurgling sounds, or just something...
If you really have to, you can poke a hole in the big end, into the air sac. You should be able to see something, but ONLY do if after you have given up hope, I...
I honestly can't see it suffocating, the shell is porous. I know you will be like everyone else here, and get up every hour tonite to check it.
If you peep to it, it may give it a little encouragement to hurry up.
Try it, see what happens.
Peep, peep! If it starts peeping back to you, and starts...
Patience, grasshopper. 22 days is off, but if the temp was down just a bit, it would have slowed everything down.
Just watch them. As long as it's peeping, you have a chance of another day (or 2).