225644604 has 24 divisors (see below), whose sum is σ = 557475408. Its totient is φ = 70790400.

The previous prime is 225644597. The next prime is 225644609. The reversal of 225644604 is 406446522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225644609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552847 + ... + 553254.

It is an arithmetic number, because the mean of its divisors is an integer number (23228142).

Almost surely, 2^225644604 is an apocalyptic number.

It is an amenable number.

225644604 is an abundant number, since it is smaller than the sum of its proper divisors (331830804).

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

225644604 is a wasteful number, since it uses less digits than its factorization.

225644604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106125 (or 1106123 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 225644604 is about 15021.4714325861. The cubic root of 225644604 is about 608.8004771308.

The spelling of 225644604 in words is "two hundred twenty-five million, six hundred forty-four thousand, six hundred four".