Fait général: 22906 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 22906 is an uninteresting number.
Culture générale: 22906 is a boring number.
Date historique: September 17th is the day in 1908 that the Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes killing Selfridge.