224243413 has 4 divisors (see below), whose sum is σ = 237434220. Its totient is φ = 211052608.

The previous prime is 224243407. The next prime is 224243443. The reversal of 224243413 is 314342422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180445489 + 43797924 = 13433^2 + 6618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224243413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224243443) 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, 6595378 + ... + 6595411.

It is an arithmetic number, because the mean of its divisors is an integer number (59358555).

Almost surely, 2^224243413 is an apocalyptic number.

It is an amenable number.

224243413 is a deficient number, since it is larger than the sum of its proper divisors (13190807).

224243413 is a wasteful number, since it uses less digits than its factorization.

224243413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190806.

The product of its digits is 4608, while the sum is 25.

The square root of 224243413 is about 14974.7591967283. The cubic root of 224243413 is about 607.5376984402.

Adding to 224243413 its reverse (314342422), we get a palindrome (538585835).

Subtracting 224243413 from its reverse (314342422), we obtain a palindrome (90099009).

The spelling of 224243413 in words is "two hundred twenty-four million, two hundred forty-three thousand, four hundred thirteen".