22344444231 has 4 divisors (see below), whose sum is σ = 29792592312. Its totient is φ = 14896296152.

The previous prime is 22344444197. The next prime is 22344444253. The reversal of 22344444231 is 13244444322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22344444231 - 2⁷ = 22344444103 is a prime.

It is a super-2 number, since 2×22344444231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22344444192 and 22344444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22344444281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3724074036 + ... + 3724074041.

It is an arithmetic number, because the mean of its divisors is an integer number (7448148078).

Almost surely, 2^22344444231 is an apocalyptic number.

22344444231 is a deficient number, since it is larger than the sum of its proper divisors (7448148081).

22344444231 is an equidigital number, since it uses as much as digits as its factorization.

22344444231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448148080.

The product of its digits is 73728, while the sum is 33.

Adding to 22344444231 its reverse (13244444322), we get a palindrome (35588888553).

Subtracting from 22344444231 its reverse (13244444322), we obtain a palindrome (9099999909).

The spelling of 22344444231 in words is "twenty-two billion, three hundred forty-four million, four hundred forty-four thousand, two hundred thirty-one".