225831658052 has 72 divisors (see below), whose sum is σ = 540100955520. Its totient is φ = 81218168640.

The previous prime is 225831658033. The next prime is 225831658067. The reversal of 225831658052 is 250856138522.

It is a junction number, because it is equal to n+sod(n) for n = 225831657988 and 225831658006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4000652 + ... + 4056707.

It is an arithmetic number, because the mean of its divisors is an integer number (7501402160).

Almost surely, 2^225831658052 is an apocalyptic number.

225831658052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225831658052 is an abundant number, since it is smaller than the sum of its proper divisors (314269297468).

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

225831658052 is a wasteful number, since it uses less digits than its factorization.

225831658052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8057401 (or 8057392 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 225831658052 in words is "two hundred twenty-five billion, eight hundred thirty-one million, six hundred fifty-eight thousand, fifty-two".