225176856578832 has 80 divisors (see below), whose sum is σ = 583135892102720. Its totient is φ = 74874651457536.

The previous prime is 225176856578819. The next prime is 225176856578833. The reversal of 225176856578832 is 238875658671522.

It is not an unprimeable number, because it can be changed into a prime (225176856578833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80645988 + ... + 83391420.

It is an arithmetic number, because the mean of its divisors is an integer number (7289198651284).

Almost surely, 2^{225176856578832} is an apocalyptic number.

It is an amenable number.

225176856578832 is an abundant number, since it is smaller than the sum of its proper divisors (357959035523888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225176856578832 is a wasteful number, since it uses less digits than its factorization.

225176856578832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749640 (or 2749634 counting only the distinct ones).

The product of its digits is 2709504000, while the sum is 75.

The spelling of 225176856578832 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 thirty-two".