22100244 has 24 divisors (see below), whose sum is σ = 52190880. Its totient is φ = 7277664.

The previous prime is 22100227. The next prime is 22100251. The reversal of 22100244 is 44200122.

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, 10099 + ... + 12090.

It is an arithmetic number, because the mean of its divisors is an integer number (2174620).

Almost surely, 2^22100244 is an apocalyptic number.

It is an amenable number.

22100244 is an abundant number, since it is smaller than the sum of its proper divisors (30090636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100244 is a wasteful number, since it uses less digits than its factorization.

22100244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22279 (or 22277 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 22100244 is about 4701.0896609191. The cubic root of 22100244 is about 280.6288756134.

Adding to 22100244 its reverse (44200122), we get a palindrome (66300366).

The spelling of 22100244 in words is "twenty-two million, one hundred thousand, two hundred forty-four".