2222132112 has 30 divisors (see below), whose sum is σ = 6218884022. Its totient is φ = 740710656.

The previous prime is 2222132093. The next prime is 2222132149. The reversal of 2222132112 is 2112312222.

It can be written as a sum of positive squares in only one way, i.e., 1979894016 + 242238096 = 44496^2 + 15564^2 .

It is a super-2 number, since 2×2222132112² = 9875742246363161088, 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 an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7715593 + ... + 7715880.

Almost surely, 2^2222132112 is an apocalyptic number.

It is an amenable number.

2222132112 is an abundant number, since it is smaller than the sum of its proper divisors (3996751910).

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

2222132112 is a wasteful number, since it uses less digits than its factorization.

2222132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15431487 (or 15431478 counting only the distinct ones).

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

The square root of 2222132112 is about 47139.4963061762. The cubic root of 2222132112 is about 1304.9382416715.

Adding to 2222132112 its reverse (2112312222), we get a palindrome (4334444334).

The spelling of 2222132112 in words is "two billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred twelve".