225565610 has 32 divisors (see below), whose sum is σ = 420152832. Its totient is φ = 87099840.

The previous prime is 225565601. The next prime is 225565631. The reversal of 225565610 is 16565522.

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 15 ways as a sum of consecutive naturals, for example, 189437 + ... + 190623.

It is an arithmetic number, because the mean of its divisors is an integer number (13129776).

Almost surely, 2^225565610 is an apocalyptic number.

225565610 is a deficient number, since it is larger than the sum of its proper divisors (194587222).

225565610 is a wasteful number, since it uses less digits than its factorization.

225565610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 225565610 is about 15018.8418328445. The cubic root of 225565610 is about 608.7294255787.

The spelling of 225565610 in words is "two hundred twenty-five million, five hundred sixty-five thousand, six hundred ten".