Fait général: 28622 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 28622 is an unremarkable number.
Culture générale: 28622 is an uninteresting number.
Date historique: May 12th is the day in 1941 that Konrad Zuse presents the Z3, the world's first working programmable, fully automatic computer, in Berlin.