225720365732 has 12 divisors (see below), whose sum is σ = 395193445836. Its totient is φ = 112807952640.

The previous prime is 225720365681. The next prime is 225720365743. The reversal of 225720365732 is 237563027522.

It can be written as a sum of positive squares in 2 ways, for example, as 47919836836 + 177800528896 = 218906^2 + 421664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13047833 + ... + 13065120.

It is an arithmetic number, because the mean of its divisors is an integer number (32932787153).

Almost surely, 2^225720365732 is an apocalyptic number.

It is an amenable number.

225720365732 is a deficient number, since it is larger than the sum of its proper divisors (169473080104).

225720365732 is a wasteful number, since it uses less digits than its factorization.

225720365732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26115118 (or 26115116 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 225720365732 in words is "two hundred twenty-five billion, seven hundred twenty million, three hundred sixty-five thousand, seven hundred thirty-two".