22022213112 has 96 divisors (see below), whose sum is σ = 63204570000. Its totient is φ = 6907645440.

The previous prime is 22022213071. The next prime is 22022213153. The reversal of 22022213112 is 21131222022.

It is an interprime number because it is at equal distance from previous prime (22022213071) and next prime (22022213153).

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 23 ways as a sum of consecutive naturals, for example, 149812 + ... + 257852.

Almost surely, 2^22022213112 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 22022213112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31602285000).

22022213112 is an abundant number, since it is smaller than the sum of its proper divisors (41182356888).

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

22022213112 is a wasteful number, since it uses less digits than its factorization.

22022213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108221 (or 108214 counting only the distinct ones).

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

Adding to 22022213112 its reverse (21131222022), we get a palindrome (43153435134).

The spelling of 22022213112 in words is "twenty-two billion, twenty-two million, two hundred thirteen thousand, one hundred twelve".