22043342031 has 4 divisors (see below), whose sum is σ = 29391122712. Its totient is φ = 14695561352.

The previous prime is 22043342029. The next prime is 22043342093. The reversal of 22043342031 is 13024334022.

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 22043342031 - 2¹ = 22043342029 is a prime.

It is a super-2 number, since 2×22043342031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22043341992 and 22043342010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22043322031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3673890336 + ... + 3673890341.

It is an arithmetic number, because the mean of its divisors is an integer number (7347780678).

Almost surely, 2^22043342031 is an apocalyptic number.

22043342031 is a deficient number, since it is larger than the sum of its proper divisors (7347780681).

22043342031 is an equidigital number, since it uses as much as digits as its factorization.

22043342031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347780680.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22043342031 its reverse (13024334022), we get a palindrome (35067676053).

The spelling of 22043342031 in words is "twenty-two billion, forty-three million, three hundred forty-two thousand, thirty-one".