228730259 has 4 divisors (see below), whose sum is σ = 228926760. Its totient is φ = 228533760.

The previous prime is 228730253. The next prime is 228730277. The reversal of 228730259 is 952037822.

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 228730259 - 2¹² = 228726163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228730253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96494 + ... + 98835.

It is an arithmetic number, because the mean of its divisors is an integer number (57231690).

Almost surely, 2^228730259 is an apocalyptic number.

228730259 is a deficient number, since it is larger than the sum of its proper divisors (196501).

228730259 is a wasteful number, since it uses less digits than its factorization.

228730259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196500.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 228730259 is about 15123.8308308444. The cubic root of 228730259 is about 611.5630068166.

The spelling of 228730259 in words is "two hundred twenty-eight million, seven hundred thirty thousand, two hundred fifty-nine".