22144345223 has 16 divisors (see below), whose sum is σ = 29732269056. Its totient is φ = 15927999840.

The previous prime is 22144345213. The next prime is 22144345247. The reversal of 22144345223 is 32254344122.

It is a cyclic number.

It is not a de Polignac number, because 22144345223 - 2⁶ = 22144345159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22144345223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144345213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11060111 + ... + 11062112.

It is an arithmetic number, because the mean of its divisors is an integer number (1858266816).

Almost surely, 2^22144345223 is an apocalyptic number.

22144345223 is a deficient number, since it is larger than the sum of its proper divisors (7587923833).

22144345223 is a wasteful number, since it uses less digits than its factorization.

22144345223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22122254.

The product of its digits is 46080, while the sum is 32.

Adding to 22144345223 its reverse (32254344122), we get a palindrome (54398689345).

The spelling of 22144345223 in words is "twenty-two billion, one hundred forty-four million, three hundred forty-five thousand, two hundred twenty-three".