22210222112 has 96 divisors (see below), whose sum is σ = 48840608880. Its totient is φ = 9871626240.

The previous prime is 22210222063. The next prime is 22210222123. The reversal of 22210222112 is 21122201222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1714291216 + 20495930896 = 41404^2 + 143164^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5076758 + ... + 5081130.

Almost surely, 2^22210222112 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 22210222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24420304440).

22210222112 is an abundant number, since it is smaller than the sum of its proper divisors (26630386768).

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

22210222112 is a wasteful number, since it uses less digits than its factorization.

22210222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22210222112 its reverse (21122201222), we get a palindrome (43332423334).

The spelling of 22210222112 in words is "twenty-two billion, two hundred ten million, two hundred twenty-two thousand, one hundred twelve".