22103222112 has 192 divisors, whose sum is σ = 68386368960. Its totient is φ = 6921510912.

The previous prime is 22103222081. The next prime is 22103222143. The reversal of 22103222112 is 21122230122.

It is an interprime number because it is at equal distance from previous prime (22103222081) and next prime (22103222143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10765278 + ... + 10767330.

It is an arithmetic number, because the mean of its divisors is an integer number (356179005).

Almost surely, 2^22103222112 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 22103222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34193184480).

22103222112 is an abundant number, since it is smaller than the sum of its proper divisors (46283146848).

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

22103222112 is a wasteful number, since it uses less digits than its factorization.

22103222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22103222112 its reverse (21122230122), we get a palindrome (43225452234).

The spelling of 22103222112 in words is "twenty-two billion, one hundred three million, two hundred twenty-two thousand, one hundred twelve".