22022202112 has 36 divisors (see below), whose sum is σ = 44140903576. Its totient is φ = 10965381120.

The previous prime is 22022202089. The next prime is 22022202113. The reversal of 22022202112 is 21120222022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (22022202113) 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, 116778 + ... + 240169.

Almost surely, 2^22022202112 is an apocalyptic number.

It is an amenable number.

22022202112 is an abundant number, since it is smaller than the sum of its proper divisors (22118701464).

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

22022202112 is an equidigital number, since it uses as much as digits as its factorization.

22022202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357204 (or 357190 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022202112 its reverse (21120222022), we get a palindrome (43142424134).

The spelling of 22022202112 in words is "twenty-two billion, twenty-two million, two hundred two thousand, one hundred twelve".