522271207422989 has 2 divisors, whose sum is σ = 522271207422990. Its totient is φ = 522271207422988.

The previous prime is 522271207422973. The next prime is 522271207423109. The reversal of 522271207422989 is 989224702172225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507492311208100 + 14778896214889 = 22527590^2 + 3844333^2 .

It is a cyclic number.

It is not a de Polignac number, because 522271207422989 - 2⁴ = 522271207422973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522271207427989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261135603711494 + 261135603711495.

It is an arithmetic number, because the mean of its divisors is an integer number (261135603711495).

Almost surely, 2^{522271207422989} is an apocalyptic number.

It is an amenable number.

522271207422989 is a deficient number, since it is larger than the sum of its proper divisors (1).

522271207422989 is an equidigital number, since it uses as much as digits as its factorization.

522271207422989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 522271207422989 in words is "five hundred twenty-two trillion, two hundred seventy-one billion, two hundred seven million, four hundred twenty-two thousand, nine hundred eighty-nine".