general_fact: 6322 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 6322 is the number of idempotent functions from a set of 7 elements into itself.
trivia: 6322 is an unremarkable number.
historical_date: April 22nd is the day in 1915 that the use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.