225590444 has 12 divisors (see below), whose sum is σ = 401255568. Its totient is φ = 110946000.

The previous prime is 225590429. The next prime is 225590461. The reversal of 225590444 is 444095522.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 462032 + ... + 462519.

It is an arithmetic number, because the mean of its divisors is an integer number (33437964).

Almost surely, 2^225590444 is an apocalyptic number.

It is an amenable number.

225590444 is a deficient number, since it is larger than the sum of its proper divisors (175665124).

225590444 is a wasteful number, since it uses less digits than its factorization.

225590444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924616 (or 924614 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 225590444 is about 15019.6685715764. The cubic root of 225590444 is about 608.7517644329.

The spelling of 225590444 in words is "two hundred twenty-five million, five hundred ninety thousand, four hundred forty-four".