122422656 has 32 divisors (see below), whose sum is σ = 325186200. Its totient is φ = 40807424.

The previous prime is 122422637. The next prime is 122422693. The reversal of 122422656 is 656224221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159021 + ... + 159788.

Almost surely, 2^122422656 is an apocalyptic number.

122422656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122422656 is an abundant number, since it is smaller than the sum of its proper divisors (202763544).

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

122422656 is an equidigital number, since it uses as much as digits as its factorization.

122422656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318826 (or 318814 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 122422656 is about 11064.4772131357. The cubic root of 122422656 is about 496.5396485143.

Adding to 122422656 its reverse (656224221), we get a palindrome (778646877).

The spelling of 122422656 in words is "one hundred twenty-two million, four hundred twenty-two thousand, six hundred fifty-six".