522072117 has 18 divisors (see below), whose sum is σ = 877223958. Its totient is φ = 298326672.

The previous prime is 522072097. The next prime is 522072151. The reversal of 522072117 is 711270225.

It can be written as a sum of positive squares in only one way, i.e., 297252081 + 224820036 = 17241^2 + 14994^2 .

It is not a de Polignac number, because 522072117 - 2⁸ = 522071861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522072157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 591478 + ... + 592359.

Almost surely, 2^522072117 is an apocalyptic number.

It is an amenable number.

522072117 is a deficient number, since it is larger than the sum of its proper divisors (355151841).

522072117 is a wasteful number, since it uses less digits than its factorization.

522072117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183857 (or 1183847 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 522072117 is about 22848.8975007548. The cubic root of 522072117 is about 805.2118660997.

The spelling of 522072117 in words is "five hundred twenty-two million, seventy-two thousand, one hundred seventeen".