225555764 has 24 divisors (see below), whose sum is σ = 474855360. Its totient is φ = 91578816.

The previous prime is 225555731. The next prime is 225555787. The reversal of 225555764 is 467555522.

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, 211457 + ... + 212520.

It is an arithmetic number, because the mean of its divisors is an integer number (19785640).

Almost surely, 2^225555764 is an apocalyptic number.

It is an amenable number.

225555764 is an abundant number, since it is smaller than the sum of its proper divisors (249299596).

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

225555764 is a wasteful number, since it uses less digits than its factorization.

225555764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424007 (or 424005 counting only the distinct ones).

The product of its digits is 420000, while the sum is 41.

The square root of 225555764 is about 15018.5140410095. The cubic root of 225555764 is about 608.7205683817.

The spelling of 225555764 in words is "two hundred twenty-five million, five hundred fifty-five thousand, seven hundred sixty-four".