22444342223 has 4 divisors (see below), whose sum is σ = 22453405800. Its totient is φ = 22435278648.

The previous prime is 22444342189. The next prime is 22444342237. The reversal of 22444342223 is 32224344422.

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 22444342223 - 2⁸ = 22444341967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22444342223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444342423) 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, 4528073 + ... + 4533026.

It is an arithmetic number, because the mean of its divisors is an integer number (5613351450).

Almost surely, 2^22444342223 is an apocalyptic number.

22444342223 is a deficient number, since it is larger than the sum of its proper divisors (9063577).

22444342223 is an equidigital number, since it uses as much as digits as its factorization.

22444342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9063576.

The product of its digits is 73728, while the sum is 32.

Adding to 22444342223 its reverse (32224344422), we get a palindrome (54668686645).

The spelling of 22444342223 in words is "twenty-two billion, four hundred forty-four million, three hundred forty-two thousand, two hundred twenty-three".