22022250644112 has 80 divisors (see below), whose sum is σ = 57256290696192. Its totient is φ = 7293630072960.

The previous prime is 22022250644111. The next prime is 22022250644113. The reversal of 22022250644112 is 21144605222022.

It is an interprime number because it is at equal distance from previous prime (22022250644111) and next prime (22022250644113).

It is not an unprimeable number, because it can be changed into a prime (22022250644111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17930583 + ... + 19119369.

Almost surely, 2^{22022250644112} is an apocalyptic number.

It is an amenable number.

22022250644112 is an abundant number, since it is smaller than the sum of its proper divisors (35234040052080).

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

22022250644112 is a wasteful number, since it uses less digits than its factorization.

22022250644112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191276 (or 1191270 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 22022250644112 its reverse (21144605222022), we get a palindrome (43166855866134).

The spelling of 22022250644112 in words is "twenty-two trillion, twenty-two billion, two hundred fifty million, six hundred forty-four thousand, one hundred twelve".