22144163 has 4 divisors (see below), whose sum is σ = 22154328. Its totient is φ = 22134000.

The previous prime is 22144117. The next prime is 22144169. The reversal of 22144163 is 36144122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22144163 - 2¹⁸ = 21882019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144169) 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, 338 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (5538582).

Almost surely, 2^22144163 is an apocalyptic number.

22144163 is a deficient number, since it is larger than the sum of its proper divisors (10165).

22144163 is an equidigital number, since it uses as much as digits as its factorization.

22144163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164.

The product of its digits is 1152, while the sum is 23.

The square root of 22144163 is about 4705.7584935906. The cubic root of 22144163 is about 280.8146470811.

Adding to 22144163 its reverse (36144122), we get a palindrome (58288285).

The spelling of 22144163 in words is "twenty-two million, one hundred forty-four thousand, one hundred sixty-three".