225104931 has 12 divisors (see below), whose sum is σ = 336364080. Its totient is φ = 144894960.

The previous prime is 225104909. The next prime is 225104963. The reversal of 225104931 is 139401522.

225104931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225104931 - 2⁵ = 225104899 is a prime.

It is a super-2 number, since 2×225104931² = 101344459921029522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225104895 and 225104904.

It is not an unprimeable number, because it can be changed into a prime (225104731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430975 + ... + 431496.

It is an arithmetic number, because the mean of its divisors is an integer number (28030340).

Almost surely, 2^225104931 is an apocalyptic number.

225104931 is a deficient number, since it is larger than the sum of its proper divisors (111259149).

225104931 is a wasteful number, since it uses less digits than its factorization.

225104931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862506 (or 862503 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 225104931 is about 15003.4972922982. The cubic root of 225104931 is about 608.3147347205.

The spelling of 225104931 in words is "two hundred twenty-five million, one hundred four thousand, nine hundred thirty-one".