22412021431 has 2 divisors, whose sum is σ = 22412021432. Its totient is φ = 22412021430.

The previous prime is 22412021419. The next prime is 22412021447. The reversal of 22412021431 is 13412021422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22412021431 is a prime.

It is a super-2 number, since 2×22412021431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22412024431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206010715 + 11206010716.

It is an arithmetic number, because the mean of its divisors is an integer number (11206010716).

Almost surely, 2^22412021431 is an apocalyptic number.

22412021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22412021431 is an equidigital number, since it uses as much as digits as its factorization.

22412021431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22412021431 its reverse (13412021422), we get a palindrome (35824042853).

Subtracting from 22412021431 its reverse (13412021422), we obtain a palindrome (9000000009).

The spelling of 22412021431 in words is "twenty-two billion, four hundred twelve million, twenty-one thousand, four hundred thirty-one".