Fatto generale: 2182 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2182 is the number of degree 15 irreducible polynomials over GF(2).
Trivia: 2182 is a boring number.
Data storica: December 21st is the day in 1999 that the Spanish Civil Guard intercepts a van loaded with 950 kg of explosives that ETA intended to use to blow up Torre Picasso in Madrid.