Fait général: 2282 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2282 is the number of ways, up to rotation and reflection, of dissecting a regular 13-gon into 11 triangles.
Culture générale: 2282 is an unremarkable number.
Date historique: March 31st is the day in 1146 that Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade.