The closest one is 18F26K80 (wich is obsolete)
No it's not. It's still in production.

The 18F2xK22 is your best bet. Many of the search tools on the mchip site are broken, or they default to showing you "new and popular products". The 18F2xK22 is one of the most popular in the whole K family but it doesn't show up until you "show all".