22242123431 has 4 divisors (see below), whose sum is σ = 24264134664. Its totient is φ = 20220112200.

The previous prime is 22242123419. The next prime is 22242123433. The reversal of 22242123431 is 13432124222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22242123431 - 2³⁴ = 5062254247 is a prime.

It is a super-2 number, since 2×22242123431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22242123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242123433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011005600 + ... + 1011005621.

It is an arithmetic number, because the mean of its divisors is an integer number (6066033666).

Almost surely, 2^22242123431 is an apocalyptic number.

22242123431 is a deficient number, since it is larger than the sum of its proper divisors (2022011233).

22242123431 is a wasteful number, since it uses less digits than its factorization.

22242123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022011232.

The product of its digits is 4608, while the sum is 26.

Adding to 22242123431 its reverse (13432124222), we get a palindrome (35674247653).

The spelling of 22242123431 in words is "twenty-two billion, two hundred forty-two million, one hundred twenty-three thousand, four hundred thirty-one".