225507465752 has 32 divisors (see below), whose sum is σ = 444430821600. Its totient is φ = 107064148224.

The previous prime is 225507465709. The next prime is 225507465779. The reversal of 225507465752 is 257564705522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225507465752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4447727 + ... + 4498142.

It is an arithmetic number, because the mean of its divisors is an integer number (13888463175).

Almost surely, 2^225507465752 is an apocalyptic number.

It is an amenable number.

225507465752 is a deficient number, since it is larger than the sum of its proper divisors (218923355848).

225507465752 is a wasteful number, since it uses less digits than its factorization.

225507465752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946035 (or 8946031 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 50.

The spelling of 225507465752 in words is "two hundred twenty-five billion, five hundred seven million, four hundred sixty-five thousand, seven hundred fifty-two".