225640588 has 12 divisors (see below), whose sum is σ = 396511192. Its totient is φ = 112351680.

The previous prime is 225640579. The next prime is 225640601. The reversal of 225640588 is 885046522.

225640588 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 225640588.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116070 + ... + 117997.

Almost surely, 2^225640588 is an apocalyptic number.

It is an amenable number.

225640588 is a deficient number, since it is larger than the sum of its proper divisors (170870604).

225640588 is a wasteful number, since it uses less digits than its factorization.

225640588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234312 (or 234310 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 225640588 is about 15021.3377566713. The cubic root of 225640588 is about 608.7968653194.

The spelling of 225640588 in words is "two hundred twenty-five million, six hundred forty thousand, five hundred eighty-eight".