22144043 has 4 divisors (see below), whose sum is σ = 22207128. Its totient is φ = 22080960.

The previous prime is 22144021. The next prime is 22144049. The reversal of 22144043 is 34044122.

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 22144043 - 2⁸ = 22143787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144049) 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, 31013 + ... + 31718.

It is an arithmetic number, because the mean of its divisors is an integer number (5551782).

Almost surely, 2^22144043 is an apocalyptic number.

22144043 is a deficient number, since it is larger than the sum of its proper divisors (63085).

22144043 is an equidigital number, since it uses as much as digits as its factorization.

22144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63084.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22144043 is about 4705.7457432377. The cubic root of 22144043 is about 280.8141398320.

Adding to 22144043 its reverse (34044122), we get a palindrome (56188165).

The spelling of 22144043 in words is "twenty-two million, one hundred forty-four thousand, forty-three".