228750589 has 4 divisors (see below), whose sum is σ = 242206524. Its totient is φ = 215294656.

The previous prime is 228750553. The next prime is 228750601. The reversal of 228750589 is 985057822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147209689 + 81540900 = 12133^2 + 9030^2 .

It is a cyclic number.

It is not a de Polignac number, because 228750589 - 2¹⁹ = 228226301 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 (228750089) 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, 6727942 + ... + 6727975.

It is an arithmetic number, because the mean of its divisors is an integer number (60551631).

Almost surely, 2^228750589 is an apocalyptic number.

It is an amenable number.

228750589 is a deficient number, since it is larger than the sum of its proper divisors (13455935).

228750589 is a wasteful number, since it uses less digits than its factorization.

228750589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455934.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 228750589 is about 15124.5029339810. The cubic root of 228750589 is about 611.5811252583.

The spelling of 228750589 in words is "two hundred twenty-eight million, seven hundred fifty thousand, five hundred eighty-nine".