22116844 has 12 divisors (see below), whose sum is σ = 39171384. Its totient is φ = 10925024.

The previous prime is 22116841. The next prime is 22116859. The reversal of 22116844 is 44861122.

It is not an unprimeable number, because it can be changed into a prime (22116841) 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, 32977 + ... + 33640.

It is an arithmetic number, because the mean of its divisors is an integer number (3264282).

Almost surely, 2^22116844 is an apocalyptic number.

It is an amenable number.

22116844 is a deficient number, since it is larger than the sum of its proper divisors (17054540).

22116844 is a wasteful number, since it uses less digits than its factorization.

22116844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66704 (or 66702 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 22116844 is about 4702.8548776249. The cubic root of 22116844 is about 280.6991202899.

Adding to 22116844 its reverse (44861122), we get a palindrome (66977966).

The spelling of 22116844 in words is "twenty-two million, one hundred sixteen thousand, eight hundred forty-four".