225597408 has 24 divisors (see below), whose sum is σ = 592193448. Its totient is φ = 75199104.

The previous prime is 225597397. The next prime is 225597413. The reversal of 225597408 is 804795522.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 225597408.

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, 1174891 + ... + 1175082.

It is an arithmetic number, because the mean of its divisors is an integer number (24674727).

Almost surely, 2^225597408 is an apocalyptic number.

It is an amenable number.

225597408 is an abundant number, since it is smaller than the sum of its proper divisors (366596040).

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

225597408 is a wasteful number, since it uses less digits than its factorization.

225597408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349986 (or 2349978 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 225597408 is about 15019.9003991371. The cubic root of 225597408 is about 608.7580284448.

The spelling of 225597408 in words is "two hundred twenty-five million, five hundred ninety-seven thousand, four hundred eight".