general_fact: 22281 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 22281 is a boring number.
trivia: 22281 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: December 31st is the day in 535 that Byzantine General Belisarius completes the conquest of Sicily, defeating the Ostrogothic garrison of Syracuse, and ending his consulship for the year.