2213312 has 14 divisors (see below), whose sum is σ = 4392168. Its totient is φ = 1106624.

The previous prime is 2213311. The next prime is 2213317. The reversal of 2213312 is 2133122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17228 + ... + 17355.

2^2213312 is an apocalyptic number.

It is an amenable number.

2213312 is a deficient number, since it is larger than the sum of its proper divisors (2178856).

2213312 is an equidigital number, since it uses as much as digits as its factorization.

2213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34595 (or 34585 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 2213312 is about 1487.7204038394. The cubic root of 2213312 is about 130.3209427080.

Adding to 2213312 its reverse (2133122), we get a palindrome (4346434).

It can be divided in two parts, 2 and 213312, that multiplied together give a palindrome (426624).

The spelling of 2213312 in words is "two million, two hundred thirteen thousand, three hundred twelve".