22202112 has 36 divisors (see below), whose sum is σ = 59092040. Its totient is φ = 7400448.

The previous prime is 22202111. The next prime is 22202137. The reversal of 22202112 is 21120222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202111) 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, 13687 + ... + 15222.

Almost surely, 2^22202112 is an apocalyptic number.

It is an amenable number.

22202112 is an abundant number, since it is smaller than the sum of its proper divisors (36889928).

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

22202112 is an equidigital number, since it uses as much as digits as its factorization.

22202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28928 (or 28914 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22202112 is about 4711.9117139437. The cubic root of 22202112 is about 281.0593880801.

Adding to 22202112 its reverse (21120222), we get a palindrome (43322334).

The spelling of 22202112 in words is "twenty-two million, two hundred two thousand, one hundred twelve".