224330321 has 8 divisors (see below), whose sum is σ = 237040320. Its totient is φ = 211710672.

The previous prime is 224330287. The next prime is 224330333. The reversal of 224330321 is 123033422.

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 224330321 - 2²² = 220136017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224330293 and 224330302.

It is not an unprimeable number, because it can be changed into a prime (224330021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17450 + ... + 27443.

It is an arithmetic number, because the mean of its divisors is an integer number (29630040).

Almost surely, 2^224330321 is an apocalyptic number.

It is an amenable number.

224330321 is a deficient number, since it is larger than the sum of its proper divisors (12709999).

224330321 is a wasteful number, since it uses less digits than its factorization.

224330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45175.

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

The square root of 224330321 is about 14977.6607319034. The cubic root of 224330321 is about 607.6161742744.

Adding to 224330321 its reverse (123033422), we get a palindrome (347363743).

The spelling of 224330321 in words is "two hundred twenty-four million, three hundred thirty thousand, three hundred twenty-one".