22344444431 has 2 divisors, whose sum is σ = 22344444432. Its totient is φ = 22344444430.

The previous prime is 22344444383. The next prime is 22344444443. The reversal of 22344444431 is 13444444322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22344444431 - 2²⁶ = 22277335567 is a prime.

It is a super-2 number, since 2×22344444431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22344444391 and 22344444400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22344444481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172222215 + 11172222216.

It is an arithmetic number, because the mean of its divisors is an integer number (11172222216).

Almost surely, 2^22344444431 is an apocalyptic number.

22344444431 is a deficient number, since it is larger than the sum of its proper divisors (1).

22344444431 is an equidigital number, since it uses as much as digits as its factorization.

22344444431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 35.

Adding to 22344444431 its reverse (13444444322), we get a palindrome (35788888753).

The spelling of 22344444431 in words is "twenty-two billion, three hundred forty-four million, four hundred forty-four thousand, four hundred thirty-one".