22244343431 has 2 divisors, whose sum is σ = 22244343432. Its totient is φ = 22244343430.

The previous prime is 22244343419. The next prime is 22244343439. The reversal of 22244343431 is 13434344222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22244343431 is a prime.

It is a super-2 number, since 2×22244343431² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22244343439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122171715 + 11122171716.

It is an arithmetic number, because the mean of its divisors is an integer number (11122171716).

Almost surely, 2^22244343431 is an apocalyptic number.

22244343431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244343431 is an equidigital number, since it uses as much as digits as its factorization.

22244343431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 32.

Adding to 22244343431 its reverse (13434344222), we get a palindrome (35678687653).

The spelling of 22244343431 in words is "twenty-two billion, two hundred forty-four million, three hundred forty-three thousand, four hundred thirty-one".