2213612 has 12 divisors (see below), whose sum is σ = 4042416. Its totient is φ = 1058640.

The previous prime is 2213609. The next prime is 2213623. The reversal of 2213612 is 2163122.

2213612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 11939 + ... + 12122.

It is an arithmetic number, because the mean of its divisors is an integer number (336868).

2^2213612 is an apocalyptic number.

It is an amenable number.

2213612 is a deficient number, since it is larger than the sum of its proper divisors (1828804).

2213612 is a wasteful number, since it uses less digits than its factorization.

2213612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24088 (or 24086 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 2213612 is about 1487.8212258198. The cubic root of 2213612 is about 130.3268304931.

Adding to 2213612 its reverse (2163122), we get a palindrome (4376734).

The spelling of 2213612 in words is "two million, two hundred thirteen thousand, six hundred twelve".