122422531 has 32 divisors (see below), whose sum is σ = 158284800. Its totient is φ = 93844800.

The previous prime is 122422511. The next prime is 122422541. The reversal of 122422531 is 135224221.

It is a happy number.

It is not a de Polignac number, because 122422531 - 2⁹ = 122422019 is a prime.

It is a super-2 number, since 2×122422531² = 29974552192891922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122422501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267655 + ... + 268111.

It is an arithmetic number, because the mean of its divisors is an integer number (4946400).

Almost surely, 2^122422531 is an apocalyptic number.

122422531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122422531 is a deficient number, since it is larger than the sum of its proper divisors (35862269).

122422531 is an equidigital number, since it uses as much as digits as its factorization.

122422531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 546 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 122422531 is about 11064.4715644264. The cubic root of 122422531 is about 496.5394795165.

Adding to 122422531 its reverse (135224221), we get a palindrome (257646752).

The spelling of 122422531 in words is "one hundred twenty-two million, four hundred twenty-two thousand, five hundred thirty-one".