Fait général: 22400 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 22400 is an uninteresting number.
Culture générale: 22400 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: April 29th is the day in 1953 that the first U.S. experimental 3D-TV broadcast showed an episode of Space Patrol on Los Angeles ABC affiliate KECA-TV.