22020222112 has 36 divisors (see below), whose sum is σ = 50430244410. Its totient is φ = 9437237376.

The previous prime is 22020222109. The next prime is 22020222137. The reversal of 22020222112 is 21122202022.

It can be written as a sum of positive squares in only one way, i.e., 21256473616 + 763748496 = 145796^2 + 27636^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7020187 + ... + 7023322.

Almost surely, 2^22020222112 is an apocalyptic number.

It is an amenable number.

22020222112 is an abundant number, since it is smaller than the sum of its proper divisors (28410022298).

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

22020222112 is a wasteful number, since it uses less digits than its factorization.

22020222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043533 (or 14043518 counting only the distinct ones).

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

Adding to 22020222112 its reverse (21122202022), we get a palindrome (43142424134).

The spelling of 22020222112 in words is "twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred twelve".