22122045431 has 2 divisors, whose sum is σ = 22122045432. Its totient is φ = 22122045430.

The previous prime is 22122045397. The next prime is 22122045443. The reversal of 22122045431 is 13454022122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122045431 is a prime.

It is a super-2 number, since 2×22122045431² (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 22122045431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122045131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061022715 + 11061022716.

It is an arithmetic number, because the mean of its divisors is an integer number (11061022716).

Almost surely, 2^22122045431 is an apocalyptic number.

22122045431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122045431 is an equidigital number, since it uses as much as digits as its factorization.

22122045431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22122045431 its reverse (13454022122), we get a palindrome (35576067553).

The spelling of 22122045431 in words is "twenty-two billion, one hundred twenty-two million, forty-five thousand, four hundred thirty-one".