22044969 has 6 divisors (see below), whose sum is σ = 31842746. Its totient is φ = 14696640.

The previous prime is 22044961. The next prime is 22044977. The reversal of 22044969 is 96944022.

It is an interprime number because it is at equal distance from previous prime (22044961) and next prime (22044977).

It can be written as a sum of positive squares in only one way, i.e., 21344400 + 700569 = 4620^2 + 837^2 .

It is not a de Polignac number, because 22044969 - 2³ = 22044961 is a prime.

It is a super-2 number, since 2×22044969² = 971961316421922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22044961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224712 + ... + 1224729.

Almost surely, 2^22044969 is an apocalyptic number.

It is an amenable number.

22044969 is a deficient number, since it is larger than the sum of its proper divisors (9797777).

22044969 is a wasteful number, since it uses less digits than its factorization.

22044969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449447 (or 2449444 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22044969 is about 4695.2070241897. The cubic root of 22044969 is about 280.3947196576.

The spelling of 22044969 in words is "twenty-two million, forty-four thousand, nine hundred sixty-nine".