224304313 has 4 divisors (see below), whose sum is σ = 231539968. Its totient is φ = 217068660.

The previous prime is 224304293. The next prime is 224304337. The reversal of 224304313 is 313403422.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313403422 = 2 ⋅156701711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224304313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224304343) by changing a digit.

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, 3617781 + ... + 3617842.

It is an arithmetic number, because the mean of its divisors is an integer number (57884992).

Almost surely, 2^224304313 is an apocalyptic number.

It is an amenable number.

224304313 is a deficient number, since it is larger than the sum of its proper divisors (7235655).

224304313 is an equidigital number, since it uses as much as digits as its factorization.

224304313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235654.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 224304313 is about 14976.7924803678. The cubic root of 224304313 is about 607.5926918012.

Adding to 224304313 its reverse (313403422), we get a palindrome (537707735).

The spelling of 224304313 in words is "two hundred twenty-four million, three hundred four thousand, three hundred thirteen".