225294628 has 48 divisors (see below), whose sum is σ = 459094720. Its totient is φ = 95831424.

The previous prime is 225294593. The next prime is 225294661. The reversal of 225294628 is 826492522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33475 + ... + 39637.

Almost surely, 2^225294628 is an apocalyptic number.

It is an amenable number.

225294628 is an abundant number, since it is smaller than the sum of its proper divisors (233800092).

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

225294628 is a wasteful number, since it uses less digits than its factorization.

225294628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236 (or 6234 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 225294628 is about 15009.8177204122. The cubic root of 225294628 is about 608.4855633204.

The spelling of 225294628 in words is "two hundred twenty-five million, two hundred ninety-four thousand, six hundred twenty-eight".