522664231 has 2 divisors, whose sum is σ = 522664232. Its totient is φ = 522664230.

The previous prime is 522664229. The next prime is 522664243. The reversal of 522664231 is 132466225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522664231 - 2¹ = 522664229 is a prime.

It is a super-2 number, since 2×522664231² = 546355796733642722, which contains 22 as substring.

Together with 522664229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 522664193 and 522664202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522664631) by changing a digit.

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 as a sum of consecutive naturals, namely, 261332115 + 261332116.

It is an arithmetic number, because the mean of its divisors is an integer number (261332116).

Almost surely, 2^522664231 is an apocalyptic number.

522664231 is a deficient number, since it is larger than the sum of its proper divisors (1).

522664231 is an equidigital number, since it uses as much as digits as its factorization.

522664231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 522664231 is about 22861.8509968025. The cubic root of 522664231 is about 805.5161644712.

The spelling of 522664231 in words is "five hundred twenty-two million, six hundred sixty-four thousand, two hundred thirty-one".