2112220222 has 16 divisors (see below), whose sum is σ = 3621881952. Its totient is φ = 905004000.

The previous prime is 2112220219. The next prime is 2112220223. The reversal of 2112220222 is 2220222112.

It is a super-2 number, since 2×2112220222² = 8922948532451458568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112220196 and 2112220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112220223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43972 + ... + 78472.

It is an arithmetic number, because the mean of its divisors is an integer number (226367622).

Almost surely, 2^2112220222 is an apocalyptic number.

2112220222 is a deficient number, since it is larger than the sum of its proper divisors (1509661730).

2112220222 is a wasteful number, since it uses less digits than its factorization.

2112220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38883.

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

The square root of 2112220222 is about 45958.8970929460. The cubic root of 2112220222 is about 1283.0583244904.

Adding to 2112220222 its reverse (2220222112), we get a palindrome (4332442334).

The spelling of 2112220222 in words is "two billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty-two".