224403013 has 4 divisors (see below), whose sum is σ = 224818348. Its totient is φ = 223987680.

The previous prime is 224402993. The next prime is 224403029. The reversal of 224403013 is 310304422.

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 56881764 + 167521249 = 7542^2 + 12943^2 .

It is a cyclic number.

It is not a de Polignac number, because 224403013 - 2⁹ = 224402501 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 (224403313) 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, 206856 + ... + 207937.

It is an arithmetic number, because the mean of its divisors is an integer number (56204587).

Almost surely, 2^224403013 is an apocalyptic number.

It is an amenable number.

224403013 is a deficient number, since it is larger than the sum of its proper divisors (415335).

224403013 is an equidigital number, since it uses as much as digits as its factorization.

224403013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415334.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 224403013 is about 14980.0872160345. The cubic root of 224403013 is about 607.6817978375.

Adding to 224403013 its reverse (310304422), we get a palindrome (534707435).

The spelling of 224403013 in words is "two hundred twenty-four million, four hundred three thousand, thirteen".