228039589 has 4 divisors (see below), whose sum is σ = 228305920. Its totient is φ = 227773260.

The previous prime is 228039587. The next prime is 228039599. The reversal of 228039589 is 985930822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228039589 - 2¹ = 228039587 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 (228039587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131877 + ... + 133594.

It is an arithmetic number, because the mean of its divisors is an integer number (57076480).

Almost surely, 2^228039589 is an apocalyptic number.

It is an amenable number.

228039589 is a deficient number, since it is larger than the sum of its proper divisors (266331).

228039589 is an equidigital number, since it uses as much as digits as its factorization.

228039589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266330.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 228039589 is about 15100.9797364277. The cubic root of 228039589 is about 610.9468311171.

The spelling of 228039589 in words is "two hundred twenty-eight million, thirty-nine thousand, five hundred eighty-nine".