224244239 has 4 divisors (see below), whose sum is σ = 224890824. Its totient is φ = 223597656.

The previous prime is 224244233. The next prime is 224244257. The reversal of 224244239 is 932442422.

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

It is a cyclic number.

It is not a de Polignac number, because 224244239 - 2⁸ = 224243983 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 (224244233) 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, 322772 + ... + 323465.

It is an arithmetic number, because the mean of its divisors is an integer number (56222706).

Almost surely, 2^224244239 is an apocalyptic number.

224244239 is a deficient number, since it is larger than the sum of its proper divisors (646585).

224244239 is an equidigital number, since it uses as much as digits as its factorization.

224244239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646584.

The product of its digits is 27648, while the sum is 32.

The square root of 224244239 is about 14974.7867764453. The cubic root of 224244239 is about 607.5384443937.

The spelling of 224244239 in words is "two hundred twenty-four million, two hundred forty-four thousand, two hundred thirty-nine".