225545522312 has 64 divisors (see below), whose sum is σ = 463593378240. Its totient is φ = 102021836800.

The previous prime is 225545522303. The next prime is 225545522369. The reversal of 225545522312 is 213225545522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15902168 + ... + 15916344.

It is an arithmetic number, because the mean of its divisors is an integer number (7243646535).

Almost surely, 2^225545522312 is an apocalyptic number.

225545522312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225545522312 is an abundant number, since it is smaller than the sum of its proper divisors (238047855928).

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

225545522312 is a wasteful number, since it uses less digits than its factorization.

225545522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15062 (or 15058 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The spelling of 225545522312 in words is "two hundred twenty-five billion, five hundred forty-five million, five hundred twenty-two thousand, three hundred twelve".