2213306 has 4 divisors (see below), whose sum is σ = 3319962. Its totient is φ = 1106652.

The previous prime is 2213293. The next prime is 2213311. The reversal of 2213306 is 6033122.

2213306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2146225 + 67081 = 1465^2 + 259^2 .

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 as a sum of consecutive naturals, namely, 553325 + ... + 553328.

2^2213306 is an apocalyptic number.

2213306 is a deficient number, since it is larger than the sum of its proper divisors (1106656).

2213306 is a wasteful number, since it uses less digits than its factorization.

2213306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106655.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2213306 is about 1487.7183873301. The cubic root of 2213306 is about 130.3208249469.

Adding to 2213306 its reverse (6033122), we get a palindrome (8246428).

The spelling of 2213306 in words is "two million, two hundred thirteen thousand, three hundred six".