224003243 has 4 divisors (see below), whose sum is σ = 224107128. Its totient is φ = 223899360.

The previous prime is 224003209. The next prime is 224003249. The reversal of 224003243 is 342300422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224003243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224003249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48638 + ... + 53043.

It is an arithmetic number, because the mean of its divisors is an integer number (56026782).

Almost surely, 2^224003243 is an apocalyptic number.

224003243 is a deficient number, since it is larger than the sum of its proper divisors (103885).

224003243 is a wasteful number, since it uses less digits than its factorization.

224003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103884.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 224003243 is about 14966.7378877296. The cubic root of 224003243 is about 607.3207252116.

Adding to 224003243 its reverse (342300422), we get a palindrome (566303665).

The spelling of 224003243 in words is "two hundred twenty-four million, three thousand, two hundred forty-three".