Hecho general: 2235 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 2235 is a value of n so that n(n+8) is a palindrome.
Trivia: 2235 is a boring number.
Fecha histórica: February 12th is the day in 1851 that Edward Hargraves announces that he has found gold in Bathurst, New South Wales, Australia, starting the Australian gold rush.