2112222 has 16 divisors (see below), whose sum is σ = 4828032. Its totient is φ = 603480.

The previous prime is 2112217. The next prime is 2112239. The reversal of 2112222 is 2222112.

2112222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112222² = 8922963554568, which contains 22 as substring.

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 = 2112198 and 2112207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25104 + ... + 25187.

It is an arithmetic number, because the mean of its divisors is an integer number (301752).

2^2112222 is an apocalyptic number.

2112222 is an abundant number, since it is smaller than the sum of its proper divisors (2715810).

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

2112222 is a wasteful number, since it uses less digits than its factorization.

2112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50303.

The product of its digits is 32, while the sum is 12.

The square root of 2112222 is about 1453.3485473210. The cubic root of 2112222 is about 128.3058684503.

Adding to 2112222 its reverse (2222112), we get a palindrome (4334334).

It can be divided in two parts, 2112 and 222, that multiplied together give a palindrome (468864).

The spelling of 2112222 in words is "two million, one hundred twelve thousand, two hundred twenty-two".