224685439 has 4 divisors (see below), whose sum is σ = 245111400. Its totient is φ = 204259480.

The previous prime is 224685397. The next prime is 224685451. The reversal of 224685439 is 934586422.

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 224685439 - 2¹¹ = 224683391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224685395 and 224685404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224683439) 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, 10212964 + ... + 10212985.

It is an arithmetic number, because the mean of its divisors is an integer number (61277850).

Almost surely, 2^224685439 is an apocalyptic number.

224685439 is a deficient number, since it is larger than the sum of its proper divisors (20425961).

224685439 is a wasteful number, since it uses less digits than its factorization.

224685439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20425960.

The product of its digits is 414720, while the sum is 43.

The square root of 224685439 is about 14989.5109660055. The cubic root of 224685439 is about 607.9366268420.

The spelling of 224685439 in words is "two hundred twenty-four million, six hundred eighty-five thousand, four hundred thirty-nine".