225569624 has 32 divisors (see below), whose sum is σ = 483859200. Its totient is φ = 96573600.

The previous prime is 225569611. The next prime is 225569633. The reversal of 225569624 is 426965522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87149 + ... + 89699.

It is an arithmetic number, because the mean of its divisors is an integer number (15120600).

Almost surely, 2^225569624 is an apocalyptic number.

It is an amenable number.

225569624 is an abundant number, since it is smaller than the sum of its proper divisors (258289576).

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

225569624 is a wasteful number, since it uses less digits than its factorization.

225569624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143 (or 4139 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 225569624 is about 15018.9754643917. The cubic root of 225569624 is about 608.7330363913.

The spelling of 225569624 in words is "two hundred twenty-five million, five hundred sixty-nine thousand, six hundred twenty-four".