224320213 has 8 divisors (see below), whose sum is σ = 254290400. Its totient is φ = 196166448.

The previous prime is 224320193. The next prime is 224320223. The reversal of 224320213 is 312023422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224320213 - 2²⁵ = 190765781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224320223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453843 + ... + 454336.

It is an arithmetic number, because the mean of its divisors is an integer number (31786300).

Almost surely, 2^224320213 is an apocalyptic number.

It is an amenable number.

224320213 is a deficient number, since it is larger than the sum of its proper divisors (29970187).

224320213 is a wasteful number, since it uses less digits than its factorization.

224320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908211.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 224320213 is about 14977.3232922308. The cubic root of 224320213 is about 607.6070480351.

Adding to 224320213 its reverse (312023422), we get a palindrome (536343635).

The spelling of 224320213 in words is "two hundred twenty-four million, three hundred twenty thousand, two hundred thirteen".