22104244 has 24 divisors (see below), whose sum is σ = 39960648. Its totient is φ = 10690560.

The previous prime is 22104227. The next prime is 22104253. The reversal of 22104244 is 44240122.

It can be written as a sum of positive squares in 4 ways, for example, as 9072144 + 13032100 = 3012^2 + 3610^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34164 + ... + 34804.

It is an arithmetic number, because the mean of its divisors is an integer number (1665027).

Almost surely, 2^22104244 is an apocalyptic number.

It is an amenable number.

22104244 is a deficient number, since it is larger than the sum of its proper divisors (17856404).

22104244 is a wasteful number, since it uses less digits than its factorization.

22104244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 22104244 is about 4701.5150749519. The cubic root of 22104244 is about 280.6458052574.

Adding to 22104244 its reverse (44240122), we get a palindrome (66344366).

The spelling of 22104244 in words is "twenty-two million, one hundred four thousand, two hundred forty-four".