225566086 has 32 divisors (see below), whose sum is σ = 353882880. Its totient is φ = 107765856.

The previous prime is 225566071. The next prime is 225566087. The reversal of 225566086 is 680665522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225566087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814180 + ... + 814456.

It is an arithmetic number, because the mean of its divisors is an integer number (11058840).

Almost surely, 2^225566086 is an apocalyptic number.

225566086 is a deficient number, since it is larger than the sum of its proper divisors (128316794).

225566086 is a wasteful number, since it uses less digits than its factorization.

225566086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 225566086 is about 15018.8576795973. The cubic root of 225566086 is about 608.7298537690.

The spelling of 225566086 in words is "two hundred twenty-five million, five hundred sixty-six thousand, eighty-six".