2112210 has 32 divisors (see below), whose sum is σ = 5633280. Its totient is φ = 563184.

The previous prime is 2112193. The next prime is 2112217. The reversal of 2112210 is 122112.

It is a super-2 number, since 2×2112210² = 8922862168200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2112192 and 2112201.

It is not an unprimeable number, because it can be changed into a prime (2112217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3642 + ... + 4181.

It is an arithmetic number, because the mean of its divisors is an integer number (176040).

2^2112210 is an apocalyptic number.

2112210 is an abundant number, since it is smaller than the sum of its proper divisors (3521070).

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

2112210 is a wasteful number, since it uses less digits than its factorization.

2112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2112210 is about 1453.3444189180. The cubic root of 2112210 is about 128.3056254718.

Adding to 2112210 its reverse (122112), we get a palindrome (2234322).

The spelling of 2112210 in words is "two million, one hundred twelve thousand, two hundred ten".