general_fact: 87224 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 87224 is an unremarkable number.
trivia: 87224 is an unremarkable number.
historical_date: October 23rd is the day in 1989 that the Hungarian Republic is officially declared by president Mátyás Szűrös, replacing the communist Hungarian People's Republic.