22205044 has 12 divisors (see below), whose sum is σ = 39216100. Its totient is φ = 11000448.

The previous prime is 22205041. The next prime is 22205093. The reversal of 22205044 is 44050222.

It can be written as a sum of positive squares in 2 ways, for example, as 7290000 + 14915044 = 2700^2 + 3862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205041) 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, 25029 + ... + 25900.

Almost surely, 2^22205044 is an apocalyptic number.

It is an amenable number.

22205044 is a deficient number, since it is larger than the sum of its proper divisors (17011056).

22205044 is a wasteful number, since it uses less digits than its factorization.

22205044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51042 (or 51040 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22205044 is about 4712.2228300453. Note that the first 3 decimals coincide. The cubic root of 22205044 is about 281.0717597237.

Adding to 22205044 its reverse (44050222), we get a palindrome (66255266).

The spelling of 22205044 in words is "twenty-two million, two hundred five thousand, forty-four".