422797135931 has 2 divisors, whose sum is σ = 422797135932. Its totient is φ = 422797135930.

The previous prime is 422797135879. The next prime is 422797136033. The reversal of 422797135931 is 139531797224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422797135931 - 2³⁰ = 421723394107 is a prime.

It is a super-2 number, since 2×422797135931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422797135531) 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, 211398567965 + 211398567966.

It is an arithmetic number, because the mean of its divisors is an integer number (211398567966).

Almost surely, 2^422797135931 is an apocalyptic number.

422797135931 is a deficient number, since it is larger than the sum of its proper divisors (1).

422797135931 is an equidigital number, since it uses as much as digits as its factorization.

422797135931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 53.

The spelling of 422797135931 in words is "four hundred twenty-two billion, seven hundred ninety-seven million, one hundred thirty-five thousand, nine hundred thirty-one".