2222021112 has 32 divisors (see below), whose sum is σ = 5633297280. Its totient is φ = 730241120.

The previous prime is 2222021059. The next prime is 2222021161. The reversal of 2222021112 is 2111202222.

It is a junction number, because it is equal to n+sod(n) for n = 2222021091 and 2222021100.

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, 650298 + ... + 653705.

It is an arithmetic number, because the mean of its divisors is an integer number (176040540).

Almost surely, 2^2222021112 is an apocalyptic number.

It is an amenable number.

2222021112 is an abundant number, since it is smaller than the sum of its proper divisors (3411276168).

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

2222021112 is a wasteful number, since it uses less digits than its factorization.

2222021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304083 (or 1304079 counting only the distinct ones).

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

The square root of 2222021112 is about 47138.3189348114. The cubic root of 2222021112 is about 1304.9165132070.

Adding to 2222021112 its reverse (2111202222), we get a palindrome (4333223334).

The spelling of 2222021112 in words is "two billion, two hundred twenty-two million, twenty-one thousand, one hundred twelve".