522272457 has 24 divisors (see below), whose sum is σ = 870232896. Its totient is φ = 295648416.

The previous prime is 522272447. The next prime is 522272459. The reversal of 522272457 is 754272225.

It is not a de Polignac number, because 522272457 - 2⁶ = 522272393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522272459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31998 + ... + 45479.

It is an arithmetic number, because the mean of its divisors is an integer number (36259704).

Almost surely, 2^522272457 is an apocalyptic number.

It is an amenable number.

522272457 is a deficient number, since it is larger than the sum of its proper divisors (347960439).

522272457 is a wasteful number, since it uses less digits than its factorization.

522272457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77597 (or 77594 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 522272457 is about 22853.2810992207. The cubic root of 522272457 is about 805.3148502852.

It can be divided in two parts, 522272 and 457, that added together give a square (522729 = 723²).

The spelling of 522272457 in words is "five hundred twenty-two million, two hundred seventy-two thousand, four hundred fifty-seven".