225939628 has 12 divisors (see below), whose sum is σ = 396569992. Its totient is φ = 112633920.

The previous prime is 225939619. The next prime is 225939629. The reversal of 225939628 is 826939522.

It is not an unprimeable number, because it can be changed into a prime (225939629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82458 + ... + 85153.

Almost surely, 2^225939628 is an apocalyptic number.

It is an amenable number.

225939628 is a deficient number, since it is larger than the sum of its proper divisors (170630364).

225939628 is a wasteful number, since it uses less digits than its factorization.

225939628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167952 (or 167950 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 225939628 is about 15031.2883014065. The cubic root of 225939628 is about 609.0656914352.

The spelling of 225939628 in words is "two hundred twenty-five million, nine hundred thirty-nine thousand, six hundred twenty-eight".