Fatto matematico: 2240 is the number of unsymmetrical ways to dissect a regular 13-gon into 11 triangles.
Trivia: 2240 is an unremarkable number.
Data storica: February 17th is the day in 1996 that NASA's Discovery Program begins as the NEAR Shoemaker spacecraft lifts off on the first mission ever to orbit and land on an asteroid, 433 Eros.