22200122112 has 144 divisors (see below), whose sum is σ = 71497746432. Its totient is φ = 5969756160.

The previous prime is 22200122099. The next prime is 22200122117. The reversal of 22200122112 is 21122100222.

It is a super-2 number, since 2×22200122112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22200122091 and 22200122100.

It is not an unprimeable number, because it can be changed into a prime (22200122117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30064 + ... + 212847.

It is an arithmetic number, because the mean of its divisors is an integer number (496512128).

Almost surely, 2^22200122112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35748873216).

22200122112 is an abundant number, since it is smaller than the sum of its proper divisors (49297624320).

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

22200122112 is a wasteful number, since it uses less digits than its factorization.

22200122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242954 (or 242940 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22200122112 its reverse (21122100222), we get a palindrome (43322222334).

The spelling of 22200122112 in words is "twenty-two billion, two hundred million, one hundred twenty-two thousand, one hundred twelve".