2213804 has 12 divisors (see below), whose sum is σ = 4078200. Its totient is φ = 1048608.

The previous prime is 2213789. The next prime is 2213833. The reversal of 2213804 is 4083122.

2213804 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, 14489 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (339850).

2^2213804 is an apocalyptic number.

It is an amenable number.

2213804 is a deficient number, since it is larger than the sum of its proper divisors (1864396).

2213804 is a wasteful number, since it uses less digits than its factorization.

2213804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29152 (or 29150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2213804 is about 1487.8857483019. The cubic root of 2213804 is about 130.3305983965.

Adding to 2213804 its reverse (4083122), we get a palindrome (6296926).

The spelling of 2213804 in words is "two million, two hundred thirteen thousand, eight hundred four".