22344434321 has 32 divisors (see below), whose sum is σ = 26041814400. Its totient is φ = 18958510080.

The previous prime is 22344434309. The next prime is 22344434327. The reversal of 22344434321 is 12343444322.

It is not a de Polignac number, because 22344434321 - 2²² = 22340240017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22344434327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4640111 + ... + 4644923.

It is an arithmetic number, because the mean of its divisors is an integer number (813806700).

Almost surely, 2^22344434321 is an apocalyptic number.

It is an amenable number.

22344434321 is a deficient number, since it is larger than the sum of its proper divisors (3697380079).

22344434321 is a wasteful number, since it uses less digits than its factorization.

22344434321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169.

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

Adding to 22344434321 its reverse (12343444322), we get a palindrome (34687878643).

The spelling of 22344434321 in words is "twenty-two billion, three hundred forty-four million, four hundred thirty-four thousand, three hundred twenty-one".