122277982338 has 18 divisors (see below), whose sum is σ = 264938842857. Its totient is φ = 40758832920.

The previous prime is 122277982291. The next prime is 122277982361. The reversal of 122277982338 is 833289772221.

122277982338 is a `hidden beast` number, since 1 + 2 + 227 + 7 + 9 + 82 + 338 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82032406569 + 40245575769 = 286413^2 + 200613^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247263.

It is a super-3 number, since 3×122277982338³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 1442368 + ... + 1524788.

Almost surely, 2^122277982338 is an apocalyptic number.

122277982338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122277982338 is an abundant number, since it is smaller than the sum of its proper divisors (142660860519).

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

122277982338 is an frugal number, since it uses more digits than its factorization.

122277982338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164850 (or 82426 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 122277982338 in words is "one hundred twenty-two billion, two hundred seventy-seven million, nine hundred eighty-two thousand, three hundred thirty-eight".