225858252 has 24 divisors (see below), whose sum is σ = 549916416. Its totient is φ = 72012688.

The previous prime is 225858239. The next prime is 225858257. The reversal of 225858252 is 252858522.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 225858252.

It is not an unprimeable number, because it can be changed into a prime (225858257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408888 + ... + 409439.

It is an arithmetic number, because the mean of its divisors is an integer number (22913184).

Almost surely, 2^225858252 is an apocalyptic number.

It is an amenable number.

225858252 is an abundant number, since it is smaller than the sum of its proper divisors (324058164).

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

225858252 is a wasteful number, since it uses less digits than its factorization.

225858252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818357 (or 818355 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 225858252 is about 15028.5811705563. The cubic root of 225858252 is about 608.9925608653.

The spelling of 225858252 in words is "two hundred twenty-five million, eight hundred fifty-eight thousand, two hundred fifty-two".