225676628 has 12 divisors (see below), whose sum is σ = 404566932. Its totient is φ = 110086080.

The previous prime is 225676613. The next prime is 225676631. The reversal of 225676628 is 826676522.

It can be written as a sum of positive squares in 2 ways, for example, as 38588944 + 187087684 = 6212^2 + 13678^2 .

It is a congruent number.

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, 687875 + ... + 688202.

It is an arithmetic number, because the mean of its divisors is an integer number (33713911).

Almost surely, 2^225676628 is an apocalyptic number.

It is an amenable number.

225676628 is a deficient number, since it is larger than the sum of its proper divisors (178890304).

225676628 is a wasteful number, since it uses less digits than its factorization.

225676628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376122 (or 1376120 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 225676628 is about 15022.5373356168. The cubic root of 225676628 is about 608.8292765553.

The spelling of 225676628 in words is "two hundred twenty-five million, six hundred seventy-six thousand, six hundred twenty-eight".