Fait général: 22490 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 22490 is an unremarkable number.
Culture générale: 22490 is an uninteresting number.
Date historique: July 28th is the day in 2005 that the Provisional Irish Republican Army calls an end to its thirty year long armed campaign in Northern Ireland.