22044423 has 8 divisors (see below), whose sum is σ = 30076288. Its totient is φ = 14354424.

The previous prime is 22044413. The next prime is 22044433. The reversal of 22044423 is 32444022.

It is an interprime number because it is at equal distance from previous prime (22044413) and next prime (22044433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22044423 - 2⁹ = 22043911 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 22044423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85315 + ... + 85572.

It is an arithmetic number, because the mean of its divisors is an integer number (3759536).

Almost surely, 2^22044423 is an apocalyptic number.

22044423 is a deficient number, since it is larger than the sum of its proper divisors (8031865).

22044423 is a wasteful number, since it uses less digits than its factorization.

22044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170933.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 22044423 is about 4695.1488794286. The cubic root of 22044423 is about 280.3924047412.

Adding to 22044423 its reverse (32444022), we get a palindrome (54488445).

The spelling of 22044423 in words is "twenty-two million, forty-four thousand, four hundred twenty-three".