225664466522 has 16 divisors (see below), whose sum is σ = 374780608992. Its totient is φ = 101043790320.

The previous prime is 225664466513. The next prime is 225664466537.

225664466522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76546853 + ... + 76549800.

It is an arithmetic number, because the mean of its divisors is an integer number (23423788062).

Almost surely, 2^225664466522 is an apocalyptic number.

225664466522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225664466522 is a deficient number, since it is larger than the sum of its proper divisors (149116142470).

225664466522 is a wasteful number, since it uses less digits than its factorization.

225664466522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153096733.

The product of its digits is 8294400, while the sum is 50.

The spelling of 225664466522 in words is "two hundred twenty-five billion, six hundred sixty-four million, four hundred sixty-six thousand, five hundred twenty-two".