225715556 has 24 divisors (see below), whose sum is σ = 431446176. Its totient is φ = 102470720.

The previous prime is 225715549. The next prime is 225715559. The reversal of 225715556 is 655517522.

It is not an unprimeable number, because it can be changed into a prime (225715559) 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, 38960 + ... + 44376.

It is an arithmetic number, because the mean of its divisors is an integer number (17976924).

Almost surely, 2^225715556 is an apocalyptic number.

It is an amenable number.

225715556 is a deficient number, since it is larger than the sum of its proper divisors (205730620).

225715556 is a wasteful number, since it uses less digits than its factorization.

225715556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379 (or 6377 counting only the distinct ones).

The product of its digits is 105000, while the sum is 38.

The square root of 225715556 is about 15023.8329330434. The cubic root of 225715556 is about 608.8642811305.

The spelling of 225715556 in words is "two hundred twenty-five million, seven hundred fifteen thousand, five hundred fifty-six".