225653624 has 24 divisors (see below), whose sum is σ = 492179040. Its totient is φ = 96708528.

The previous prime is 225653599. The next prime is 225653641. The reversal of 225653624 is 426356522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287432 + ... + 288215.

It is an arithmetic number, because the mean of its divisors is an integer number (20507460).

Almost surely, 2^225653624 is an apocalyptic number.

It is an amenable number.

225653624 is an abundant number, since it is smaller than the sum of its proper divisors (266525416).

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

225653624 is a wasteful number, since it uses less digits than its factorization.

225653624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575667 (or 575656 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 225653624 is about 15021.7716664846. The cubic root of 225653624 is about 608.8085891604.

The spelling of 225653624 in words is "two hundred twenty-five million, six hundred fifty-three thousand, six hundred twenty-four".