22116852 has 36 divisors (see below), whose sum is σ = 56137536. Its totient is φ = 7341840.

The previous prime is 22116841. The next prime is 22116859. The reversal of 22116852 is 25861122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8623 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (1559376).

Almost surely, 2^22116852 is an apocalyptic number.

It is an amenable number.

22116852 is an abundant number, since it is smaller than the sum of its proper divisors (34020684).

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

22116852 is a wasteful number, since it uses less digits than its factorization.

22116852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2543 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 22116852 is about 4702.8557281720. The cubic root of 22116852 is about 280.6991541343.

Adding to 22116852 its reverse (25861122), we get a palindrome (47977974).

The spelling of 22116852 in words is "twenty-two million, one hundred sixteen thousand, eight hundred fifty-two".