It is a congruent number.
It is an unprimeable number.
Almost surely, 2225176856578880 is an apocalyptic number.
225176856578880 is a gapful number since it is divisible by the number (20) 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.
225176856578880 is a wasteful number, since it uses less digits than its factorization.
225176856578880 is an evil number, because the sum of its binary digits is even.
The spelling of 225176856578880 in words is "two hundred twenty-five trillion, one hundred seventy-six billion, eight hundred fifty-six million, five hundred seventy-eight thousand, eight hundred eighty".