224330213 has 4 divisors (see below), whose sum is σ = 228132480. Its totient is φ = 220527948.

The previous prime is 224330203. The next prime is 224330231. The reversal of 224330213 is 312033422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 224330213 - 2¹⁸ = 224068069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224330203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901045 + ... + 1901162.

It is an arithmetic number, because the mean of its divisors is an integer number (57033120).

Almost surely, 2^224330213 is an apocalyptic number.

It is an amenable number.

224330213 is a deficient number, since it is larger than the sum of its proper divisors (3802267).

224330213 is an equidigital number, since it uses as much as digits as its factorization.

224330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802266.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 224330213 is about 14977.6571265335. The cubic root of 224330213 is about 607.6160767655.

Adding to 224330213 its reverse (312033422), we get a palindrome (536363635).

The spelling of 224330213 in words is "two hundred twenty-four million, three hundred thirty thousand, two hundred thirteen".