224440439 has 4 divisors (see below), whose sum is σ = 224513424. Its totient is φ = 224367456.

The previous prime is 224440429. The next prime is 224440451. The reversal of 224440439 is 934044422.

224440439 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.

It is a cyclic number.

It is not a de Polignac number, because 224440439 - 2²⁰ = 223391863 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 (224440429) 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, 31667 + ... + 38100.

It is an arithmetic number, because the mean of its divisors is an integer number (56128356).

Almost surely, 2^224440439 is an apocalyptic number.

224440439 is a deficient number, since it is larger than the sum of its proper divisors (72985).

224440439 is an equidigital number, since it uses as much as digits as its factorization.

224440439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72984.

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

The square root of 224440439 is about 14981.3363556126. The cubic root of 224440439 is about 607.7155790755.

The spelling of 224440439 in words is "two hundred twenty-four million, four hundred forty thousand, four hundred thirty-nine".