225293440891372 has 12 divisors (see below), whose sum is σ = 450586881782800. Its totient is φ = 96554331810576.

The previous prime is 225293440891339. The next prime is 225293440891399. The reversal of 225293440891372 is 273198044392522.

It is a happy number.

225293440891372 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 225293440891372.

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, 4023097158747 + ... + 4023097158802.

Almost surely, 2^{225293440891372} is an apocalyptic number.

It is an amenable number.

225293440891372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225293440891372 is a wasteful number, since it uses less digits than its factorization.

225293440891372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046194317560 (or 8046194317558 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 225293440891372 in words is "two hundred twenty-five trillion, two hundred ninety-three billion, four hundred forty million, eight hundred ninety-one thousand, three hundred seventy-two".