225867630 has 32 divisors (see below), whose sum is σ = 570614400. Its totient is φ = 57061152.

The previous prime is 225867617. The next prime is 225867641. The reversal of 225867630 is 36768522.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197560 + ... + 198699.

It is an arithmetic number, because the mean of its divisors is an integer number (17831700).

Almost surely, 2^225867630 is an apocalyptic number.

225867630 is an abundant number, since it is smaller than the sum of its proper divisors (344746770).

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

225867630 is a wasteful number, since it uses less digits than its factorization.

225867630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396288.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 225867630 is about 15028.8931728188. The cubic root of 225867630 is about 609.0009895341. Note that the first 3 decimals are identical.

The spelling of 225867630 in words is "two hundred twenty-five million, eight hundred sixty-seven thousand, six hundred thirty".