22344421443 has 8 divisors (see below), whose sum is σ = 29795404800. Its totient is φ = 14894859528.

The previous prime is 22344421441. The next prime is 22344421453. The reversal of 22344421443 is 34412444322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22344421443 - 2¹ = 22344421441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22344421441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318123 + ... + 381956.

It is an arithmetic number, because the mean of its divisors is an integer number (3724425600).

Almost surely, 2^22344421443 is an apocalyptic number.

22344421443 is a deficient number, since it is larger than the sum of its proper divisors (7450983357).

22344421443 is a wasteful number, since it uses less digits than its factorization.

22344421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710721.

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

Adding to 22344421443 its reverse (34412444322), we get a palindrome (56756865765).

The spelling of 22344421443 in words is "twenty-two billion, three hundred forty-four million, four hundred twenty-one thousand, four hundred forty-three".