224039 has 4 divisors (see below), whose sum is σ = 225624. Its totient is φ = 222456.

The previous prime is 224033. The next prime is 224041. The reversal of 224039 is 930422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930422 = 2 ⋅465211.

It is a cyclic number.

It is not a de Polignac number, because 224039 - 2¹² = 219943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557 + ... + 870.

It is an arithmetic number, because the mean of its divisors is an integer number (56406).

2²²⁴⁰³⁹ is an apocalyptic number.

224039 is a deficient number, since it is larger than the sum of its proper divisors (1585).

224039 is a wasteful number, since it uses less digits than its factorization.

224039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 224039 is about 473.3275821247. The cubic root of 224039 is about 60.7353038452.

The spelling of 224039 in words is "two hundred twenty-four thousand, thirty-nine".