22144164223 has 2 divisors, whose sum is σ = 22144164224. Its totient is φ = 22144164222.

The previous prime is 22144164221. The next prime is 22144164233. The reversal of 22144164223 is 32246144122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22144164223 - 2¹ = 22144164221 is a prime.

Together with 22144164221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22144164221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072082111 + 11072082112.

It is an arithmetic number, because the mean of its divisors is an integer number (11072082112).

Almost surely, 2^22144164223 is an apocalyptic number.

22144164223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144164223 is an equidigital number, since it uses as much as digits as its factorization.

22144164223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 31.

The spelling of 22144164223 in words is "twenty-two billion, one hundred forty-four million, one hundred sixty-four thousand, two hundred twenty-three".