2222022112 has 48 divisors (see below), whose sum is σ = 4463245584. Its totient is φ = 1088640000.

The previous prime is 2222022109. The next prime is 2222022139. The reversal of 2222022112 is 2112202222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546487 + ... + 550537.

It is an arithmetic number, because the mean of its divisors is an integer number (92984283).

Almost surely, 2^2222022112 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 2222022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231622792).

2222022112 is an abundant number, since it is smaller than the sum of its proper divisors (2241223472).

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

2222022112 is a wasteful number, since it uses less digits than its factorization.

2222022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403 (or 4395 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2222022112 is about 47138.3295418919. The cubic root of 2222022112 is about 1304.9167089621.

Adding to 2222022112 its reverse (2112202222), we get a palindrome (4334224334).

The spelling of 2222022112 in words is "two billion, two hundred twenty-two million, twenty-two thousand, one hundred twelve".