224239389 has 16 divisors (see below), whose sum is σ = 326902080. Its totient is φ = 135596160.

The previous prime is 224239361. The next prime is 224239391. The reversal of 224239389 is 983932422.

It is not a de Polignac number, because 224239389 - 2⁷ = 224239261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224239389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224239289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7647 + ... + 22515.

It is an arithmetic number, because the mean of its divisors is an integer number (20431380).

Almost surely, 2^224239389 is an apocalyptic number.

It is an amenable number.

224239389 is a deficient number, since it is larger than the sum of its proper divisors (102662691).

224239389 is a wasteful number, since it uses less digits than its factorization.

224239389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340.

The product of its digits is 186624, while the sum is 42.

The square root of 224239389 is about 14974.6248367029. The cubic root of 224239389 is about 607.5340643738.

The spelling of 224239389 in words is "two hundred twenty-four million, two hundred thirty-nine thousand, three hundred eighty-nine".