Originally Posted by BliztForever
...Apparently ep 22 is gonna be the final episode, I guess they decided to cut it short because the show's rating has gotten too low, meh.
*just scroll the to bottom and you will see エウレカセブンＡＯ ＃２２（最終回）*
Nope, it's still going to be 24 episodes. It's just that they will be aired later on a different channel on October or something like that.
(The change is so recent that they haven't even updated the website.
Edit: Last 2 episodes will air sometime in November.