22200244 has 24 divisors (see below), whose sum is σ = 44227008. Its totient is φ = 9651840.

The previous prime is 22200179. The next prime is 22200263. The reversal of 22200244 is 44200222.

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, 9957 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (1842792).

Almost surely, 2^22200244 is an apocalyptic number.

It is an amenable number.

22200244 is a deficient number, since it is larger than the sum of its proper divisors (22026764).

22200244 is a wasteful number, since it uses less digits than its factorization.

22200244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21975 (or 21973 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22200244 is about 4711.7134887427. The cubic root of 22200244 is about 281.0515054417.

Adding to 22200244 its reverse (44200222), we get a palindrome (66400466).

The spelling of 22200244 in words is "twenty-two million, two hundred thousand, two hundred forty-four".