22044023 has 4 divisors (see below), whose sum is σ = 22055880. Its totient is φ = 22032168.

The previous prime is 22044017. The next prime is 22044049. The reversal of 22044023 is 32044022.

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 22044023 - 2¹⁶ = 21978487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22043992 and 22044010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044013) 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, 2465 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (5513970).

Almost surely, 2^22044023 is an apocalyptic number.

22044023 is a deficient number, since it is larger than the sum of its proper divisors (11857).

22044023 is an equidigital number, since it uses as much as digits as its factorization.

22044023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11856.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22044023 is about 4695.1062820771. The cubic root of 22044023 is about 280.3907088075.

Adding to 22044023 its reverse (32044022), we get a palindrome (54088045).

Subtracting 22044023 from its reverse (32044022), we obtain a palindrome (9999999).

The spelling of 22044023 in words is "twenty-two million, forty-four thousand, twenty-three".