225402756 has 12 divisors (see below), whose sum is σ = 525939792. Its totient is φ = 75134248.

The previous prime is 225402743. The next prime is 225402797. The reversal of 225402756 is 657204522.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9391770 + ... + 9391793.

It is an arithmetic number, because the mean of its divisors is an integer number (43828316).

Almost surely, 2^225402756 is an apocalyptic number.

It is an amenable number.

225402756 is an abundant number, since it is smaller than the sum of its proper divisors (300537036).

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

225402756 is a wasteful number, since it uses less digits than its factorization.

225402756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18783570 (or 18783568 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 225402756 is about 15013.4191975046. The cubic root of 225402756 is about 608.5828933583.

The spelling of 225402756 in words is "two hundred twenty-five million, four hundred two thousand, seven hundred fifty-six".