It is a nialpdrome in base 12.
It is a congruent number.
It is an unprimeable number.
Almost surely, 222212024 is an apocalyptic number.
22212024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22212024 is a wasteful number, since it uses less digits than its factorization.
22212024 is an evil number, because the sum of its binary digits is even.
The square root of 22212024 is about 4712.9633989667. The cubic root of 22212024 is about 281.1012076178.
Adding to 22212024 its reverse (42021222), we get a palindrome (64233246).
The spelling of 22212024 in words is "twenty-two million, two hundred twelve thousand, twenty-four".