22043044 has 6 divisors (see below), whose sum is σ = 38575334. Its totient is φ = 11021520.

The previous prime is 22043041. The next prime is 22043051. The reversal of 22043044 is 44034022.

It can be written as a sum of positive squares in only one way, i.e., 19360000 + 2683044 = 4400^2 + 1638^2 .

It is not an unprimeable number, because it can be changed into a prime (22043041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755377 + ... + 2755384.

Almost surely, 2^22043044 is an apocalyptic number.

It is an amenable number.

22043044 is a deficient number, since it is larger than the sum of its proper divisors (16532290).

22043044 is a wasteful number, since it uses less digits than its factorization.

22043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510765 (or 5510763 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22043044 is about 4695.0020234287. The cubic root of 22043044 is about 280.3865579232.

Subtracting from 22043044 its sum of digits (19), we obtain a square (22043025 = 4695²).

Adding to 22043044 its reverse (44034022), we get a palindrome (66077066).

It can be divided in two parts, 220 and 43044, that added together give a square (43264 = 208²).

The spelling of 22043044 in words is "twenty-two million, forty-three thousand, forty-four".