522766646667225 has 36 divisors (see below), whose sum is σ = 945423762506496. Its totient is φ = 276101995897440.

The previous prime is 522766646667173. The next prime is 522766646667233.

522766646667225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522766646667225 - 2³⁸ = 522491768760281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11278653129 + ... + 11278699478.

It is an arithmetic number, because the mean of its divisors is an integer number (26261771180736).

Almost surely, 2^{522766646667225} is an apocalyptic number.

It is an amenable number.

522766646667225 is a deficient number, since it is larger than the sum of its proper divisors (422657115839271).

522766646667225 is a wasteful number, since it uses less digits than its factorization.

522766646667225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22557352726 (or 22557352718 counting only the distinct ones).

The product of its digits is 3657830400, while the sum is 72.

The spelling of 522766646667225 in words is "five hundred twenty-two trillion, seven hundred sixty-six billion, six hundred forty-six million, six hundred sixty-seven thousand, two hundred twenty-five".