422797135922 has 54 divisors (see below), whose sum is σ = 778835055357. Its totient is φ = 171612338688.

The previous prime is 422797135879. The next prime is 422797135931. The reversal of 422797135922 is 229531797224.

It can be written as a sum of positive squares in 2 ways, for example, as 261786745801 + 161010390121 = 511651^2 + 401261^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459781.

It is a super-2 number, since 2×422797135922² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 122300018 + ... + 122303474.

Almost surely, 2^422797135922 is an apocalyptic number.

422797135922 is a deficient number, since it is larger than the sum of its proper divisors (356037919435).

422797135922 is an frugal number, since it uses more digits than its factorization.

422797135922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968 (or 3485 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 53.

The spelling of 422797135922 in words is "four hundred twenty-two billion, seven hundred ninety-seven million, one hundred thirty-five thousand, nine hundred twenty-two".