general_fact: 22691 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 22691 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 22691 is an uninteresting number.
historical_date: February 14th is the day in 2000 that the spacecraft NEAR Shoemaker enters orbit around asteroid 433 Eros, the first spacecraft to orbit an asteroid.