2112231222 has 16 divisors (see below), whose sum is σ = 4693847280. Its totient is φ = 704077056.

The previous prime is 2112231203. The next prime is 2112231223. The reversal of 2112231222 is 2221322112.

2112231222 is a `hidden beast` number, since 211 + 2 + 231 + 222 = 666.

It is a super-2 number, since 2×2112231222² = 8923041470383226568, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2112231195 and 2112231204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112231223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19557643 + ... + 19557750.

It is an arithmetic number, because the mean of its divisors is an integer number (293365455).

Almost surely, 2^2112231222 is an apocalyptic number.

2112231222 is an abundant number, since it is smaller than the sum of its proper divisors (2581616058).

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

2112231222 is a wasteful number, since it uses less digits than its factorization.

2112231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39115404 (or 39115398 counting only the distinct ones).

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

The square root of 2112231222 is about 45959.0167649396. The cubic root of 2112231222 is about 1283.0605517862.

Adding to 2112231222 its reverse (2221322112), we get a palindrome (4333553334).

The spelling of 2112231222 in words is "two billion, one hundred twelve million, two hundred thirty-one thousand, two hundred twenty-two".