Fatto generale: 2235 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2235 is a value of n so that n(n+8) is a palindrome.
Trivia: 2235 is an uninteresting number.
Data storica: February 12th is the day in 2002 that an Iran Air Tours Tupolev Tu-154 crashes in the mountains outside Khorramabad, Iran while descending for a landing at Khorramabad Airport, killing 119.