213344224 has 24 divisors (see below), whose sum is σ = 420425208. Its totient is φ = 106569600.

The previous prime is 213344191. The next prime is 213344231. The reversal of 213344224 is 422443312.

It is a happy number.

213344224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39274 + ... + 44374.

It is an arithmetic number, because the mean of its divisors is an integer number (17517717).

Almost surely, 2^213344224 is an apocalyptic number.

It is an amenable number.

213344224 is a deficient number, since it is larger than the sum of its proper divisors (207080984).

213344224 is a wasteful number, since it uses less digits than its factorization.

213344224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418 (or 6410 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 213344224 is about 14606.3076785340. The cubic root of 213344224 is about 597.5308005107.

Adding to 213344224 its reverse (422443312), we get a palindrome (635787536).

The spelling of 213344224 in words is "two hundred thirteen million, three hundred forty-four thousand, two hundred twenty-four".