224313513 has 4 divisors (see below), whose sum is σ = 299084688. Its totient is φ = 149542340.

The previous prime is 224313511. The next prime is 224313539. The reversal of 224313513 is 315313422.

224313513 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 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 224313513 - 2¹ = 224313511 is a prime.

It is a super-2 number, since 2×224313513² = 100633104228802338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224313511) 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, 37385583 + ... + 37385588.

It is an arithmetic number, because the mean of its divisors is an integer number (74771172).

Almost surely, 2^224313513 is an apocalyptic number.

It is an amenable number.

224313513 is a deficient number, since it is larger than the sum of its proper divisors (74771175).

224313513 is an equidigital number, since it uses as much as digits as its factorization.

224313513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74771174.

The product of its digits is 2160, while the sum is 24.

The square root of 224313513 is about 14977.0996190851. The cubic root of 224313513 is about 607.6009986356.

Adding to 224313513 its reverse (315313422), we get a palindrome (539626935).

Subtracting 224313513 from its reverse (315313422), we obtain a palindrome (90999909).

The spelling of 224313513 in words is "two hundred twenty-four million, three hundred thirteen thousand, five hundred thirteen".