Fatto generale: 4436 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4436 is the number of ways to place 4 non-attacking knights on a 5×5 chessboard.
Trivia: 4436 is a boring number.
Data storica: February 22nd is the day in 1862 that Jefferson Davis is officially inaugurated for a six-year term as the President of the Confederate States of America in Richmond, Virginia.