22122213434231 has 32 divisors (see below), whose sum is σ = 23398211106816. Its totient is φ = 20887891200000.

The previous prime is 22122213434227. The next prime is 22122213434267. The reversal of 22122213434231 is 13243431222122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22122213434231 - 2² = 22122213434227 is a prime.

It is a super-2 number, since 2×22122213434231² (a number of 27 digits) 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 (22122213434731) 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, 494096876 + ... + 494141646.

It is an arithmetic number, because the mean of its divisors is an integer number (731194097088).

Almost surely, 2^{22122213434231} is an apocalyptic number.

22122213434231 is a deficient number, since it is larger than the sum of its proper divisors (1275997672585).

22122213434231 is a wasteful number, since it uses less digits than its factorization.

22122213434231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47223.

The product of its digits is 27648, while the sum is 32.

Adding to 22122213434231 its reverse (13243431222122), we get a palindrome (35365644656353).

The spelling of 22122213434231 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred thirteen million, four hundred thirty-four thousand, two hundred thirty-one".