225236564 has 36 divisors (see below), whose sum is σ = 475451424. Its totient is φ = 91445328.

The previous prime is 225236509. The next prime is 225236569. The reversal of 225236564 is 465632522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225236569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034 + ... + 21249.

It is an arithmetic number, because the mean of its divisors is an integer number (13206984).

Almost surely, 2^225236564 is an apocalyptic number.

It is an amenable number.

225236564 is an abundant number, since it is smaller than the sum of its proper divisors (250214860).

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

225236564 is a wasteful number, since it uses less digits than its factorization.

225236564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22332 (or 22311 counting only the distinct ones).

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

The square root of 225236564 is about 15007.8833950694. The cubic root of 225236564 is about 608.4332849007.

The spelling of 225236564 in words is "two hundred twenty-five million, two hundred thirty-six thousand, five hundred sixty-four".