2112222244 has 24 divisors (see below), whose sum is σ = 4040745408. Its totient is φ = 958119840.

The previous prime is 2112222209. The next prime is 2112222251. The reversal of 2112222244 is 4422222112.

It is a super-2 number, since 2×2112222244² = 8922965616096791072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 27859 + ... + 70714.

It is an arithmetic number, because the mean of its divisors is an integer number (168364392).

Almost surely, 2^2112222244 is an apocalyptic number.

It is an amenable number.

2112222244 is a deficient number, since it is larger than the sum of its proper divisors (1928523164).

2112222244 is a wasteful number, since it uses less digits than its factorization.

2112222244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99075 (or 99073 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 2112222244 is about 45958.9190908577. The cubic root of 2112222244 is about 1283.0587339085.

Adding to 2112222244 its reverse (4422222112), we get a palindrome (6534444356).

The spelling of 2112222244 in words is "two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred forty-four".