225556716 has 48 divisors (see below), whose sum is σ = 656167680. Its totient is φ = 58585920.

The previous prime is 225556691. The next prime is 225556729. The reversal of 225556716 is 617655522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121131 + ... + 122978.

It is an arithmetic number, because the mean of its divisors is an integer number (13670160).

Almost surely, 2^225556716 is an apocalyptic number.

It is an amenable number.

225556716 is an abundant number, since it is smaller than the sum of its proper divisors (430610964).

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

225556716 is a wasteful number, since it uses less digits than its factorization.

225556716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244134 (or 244132 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 225556716 is about 15018.5457351902. The cubic root of 225556716 is about 608.7214247866.

The spelling of 225556716 in words is "two hundred twenty-five million, five hundred fifty-six thousand, seven hundred sixteen".