22044463 has 12 divisors (see below), whose sum is σ = 25727520. Its totient is φ = 18833472.

The previous prime is 22044443. The next prime is 22044469. The reversal of 22044463 is 36444022.

It is not a de Polignac number, because 22044463 - 2¹³ = 22036271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20698 + ... + 21736.

It is an arithmetic number, because the mean of its divisors is an integer number (2143960).

Almost surely, 2^22044463 is an apocalyptic number.

22044463 is a deficient number, since it is larger than the sum of its proper divisors (3683057).

22044463 is a wasteful number, since it uses less digits than its factorization.

22044463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 22044463 is about 4695.1531391425. The cubic root of 22044463 is about 280.3925743335.

Adding to 22044463 its reverse (36444022), we get a palindrome (58488485).

The spelling of 22044463 in words is "twenty-two million, forty-four thousand, four hundred sixty-three".