522245666542225 has 48 divisors (see below), whose sum is σ = 658809033523200. Its totient is φ = 410604291040320.

The previous prime is 522245666542219. The next prime is 522245666542231.

522245666542225 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (522245666542219) and next prime (522245666542231).

It is not a de Polignac number, because 522245666542225 - 2²⁹ = 522245129671313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522245666542225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3540502824 + ... + 3540650326.

It is an arithmetic number, because the mean of its divisors is an integer number (13725188198400).

Almost surely, 2^{522245666542225} is an apocalyptic number.

It is an amenable number.

522245666542225 is a deficient number, since it is larger than the sum of its proper divisors (136563366980975).

522245666542225 is a wasteful number, since it uses less digits than its factorization.

522245666542225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155854 (or 155849 counting only the distinct ones).

The product of its digits is 138240000, while the sum is 58.

The spelling of 522245666542225 in words is "five hundred twenty-two trillion, two hundred forty-five billion, six hundred sixty-six million, five hundred forty-two thousand, two hundred twenty-five".