225176856578797 has 8 divisors (see below), whose sum is σ = 229425702946560. Its totient is φ = 220928018597520.

The previous prime is 225176856578789. The next prime is 225176856578819. The reversal of 225176856578797 is 797875658671522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225176856578797 - 2³ = 225176856578789 is a prime.

It is a super-2 number, since 2×225176856578797² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225176856578497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89552704 + ... + 92032822.

It is an arithmetic number, because the mean of its divisors is an integer number (28678212868320).

Almost surely, 2^{225176856578797} is an apocalyptic number.

It is an amenable number.

225176856578797 is a deficient number, since it is larger than the sum of its proper divisors (4248846367763).

225176856578797 is a wasteful number, since it uses less digits than its factorization.

225176856578797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193243.

The product of its digits is 24893568000, while the sum is 85.

The spelling of 225176856578797 in words is "two hundred twenty-five trillion, one hundred seventy-six billion, eight hundred fifty-six million, five hundred seventy-eight thousand, seven hundred ninety-seven".