2213824 has 14 divisors (see below), whose sum is σ = 4393184. Its totient is φ = 1106880.

The previous prime is 2213789. The next prime is 2213833. The reversal of 2213824 is 4283122.

2213824 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2213795 and 2213804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17232 + ... + 17359.

2^2213824 is an apocalyptic number.

It is an amenable number.

2213824 is a deficient number, since it is larger than the sum of its proper divisors (2179360).

2213824 is an equidigital number, since it uses as much as digits as its factorization.

2213824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34603 (or 34593 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2213824 is about 1487.8924692329. The cubic root of 2213824 is about 130.3309908739.

Adding to 2213824 its reverse (4283122), we get a palindrome (6496946).

The spelling of 2213824 in words is "two million, two hundred thirteen thousand, eight hundred twenty-four".