422591179122 has 270 divisors, whose sum is σ = 1107452201037. Its totient is φ = 116454383136.

The previous prime is 422591179117. The next prime is 422591179159. The reversal of 422591179122 is 221971195224.

422591179122 is a `hidden beast` number, since 4 + 22 + 591 + 17 + 9 + 1 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 400852330641 + 21738848481 = 633129^2 + 147441^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459669.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 7162562329 + ... + 7162562387.

Almost surely, 2^422591179122 is an apocalyptic number.

422591179122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 422591179122

422591179122 is an abundant number, since it is smaller than the sum of its proper divisors (684861021915).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422591179122 is an frugal number, since it uses more digits than its factorization.

422591179122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 124 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 422591179122 in words is "four hundred twenty-two billion, five hundred ninety-one million, one hundred seventy-nine thousand, one hundred twenty-two".