522646225 has 12 divisors (see below), whose sum is σ = 656287360. Its totient is φ = 412822800.

The previous prime is 522646213. The next prime is 522646247.

522646225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522646225 - 2⁹ = 522645713 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 130341 + ... + 134290.

Almost surely, 2^522646225 is an apocalyptic number.

It is an amenable number.

522646225 is a deficient number, since it is larger than the sum of its proper divisors (133641135).

522646225 is a wasteful number, since it uses less digits than its factorization.

522646225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264720 (or 264715 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 522646225 is about 22861.4571932762. The cubic root of 522646225 is about 805.5069142427.

The spelling of 522646225 in words is "five hundred twenty-two million, six hundred forty-six thousand, two hundred twenty-five".