22040911831 has 2 divisors, whose sum is σ = 22040911832. Its totient is φ = 22040911830.

The previous prime is 22040911819. The next prime is 22040911873. The reversal of 22040911831 is 13811904022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22040911831 - 2²⁵ = 22007357399 is a prime.

It is a super-2 number, since 2×22040911831² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22040911793 and 22040911802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22040911801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020455915 + 11020455916.

It is an arithmetic number, because the mean of its divisors is an integer number (11020455916).

Almost surely, 2^22040911831 is an apocalyptic number.

22040911831 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040911831 is an equidigital number, since it uses as much as digits as its factorization.

22040911831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 22040911831 in words is "twenty-two billion, forty million, nine hundred eleven thousand, eight hundred thirty-one".