224332313 has 4 divisors (see below), whose sum is σ = 232067940. Its totient is φ = 216596688.

The previous prime is 224332309. The next prime is 224332321. The reversal of 224332313 is 313233422.

224332313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313233422 = 2 ⋅156616711.

It can be written as a sum of positive squares in 2 ways, for example, as 93161104 + 131171209 = 9652^2 + 11453^2 .

It is a cyclic number.

It is not a de Polignac number, because 224332313 - 2² = 224332309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224332513) 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, 3867770 + ... + 3867827.

It is an arithmetic number, because the mean of its divisors is an integer number (58016985).

Almost surely, 2^224332313 is an apocalyptic number.

It is an amenable number.

224332313 is a deficient number, since it is larger than the sum of its proper divisors (7735627).

224332313 is an equidigital number, since it uses as much as digits as its factorization.

224332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7735626.

The product of its digits is 2592, while the sum is 23.

The square root of 224332313 is about 14977.7272307917. The cubic root of 224332313 is about 607.6179727648.

Adding to 224332313 its reverse (313233422), we get a palindrome (537565735).

The spelling of 224332313 in words is "two hundred twenty-four million, three hundred thirty-two thousand, three hundred thirteen".