122243221431 has 48 divisors (see below), whose sum is σ = 180509143776. Its totient is φ = 79698567168.

The previous prime is 122243221409. The next prime is 122243221447. The reversal of 122243221431 is 134122342221.

122243221431 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 4 + 3 + 221 + 431 = 666.

It is not a de Polignac number, because 122243221431 - 2⁶ = 122243221367 is a prime.

It is a super-2 number, since 2×122243221431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122243221395 and 122243221404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122243221031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85305091 + ... + 85306523.

It is an arithmetic number, because the mean of its divisors is an integer number (3760607162).

Almost surely, 2^122243221431 is an apocalyptic number.

122243221431 is a deficient number, since it is larger than the sum of its proper divisors (58265922345).

122243221431 is a wasteful number, since it uses less digits than its factorization.

122243221431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432 (or 2429 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 122243221431 its reverse (134122342221), we get a palindrome (256365563652).

The spelling of 122243221431 in words is "one hundred twenty-two billion, two hundred forty-three million, two hundred twenty-one thousand, four hundred thirty-one".