228887585 has 16 divisors (see below), whose sum is σ = 290252160. Its totient is φ = 172794240.

The previous prime is 228887579. The next prime is 228887597. The reversal of 228887585 is 585788822.

It is not a de Polignac number, because 228887585 - 2⁶ = 228887521 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20405 + ... + 29565.

It is an arithmetic number, because the mean of its divisors is an integer number (18140760).

Almost surely, 2^228887585 is an apocalyptic number.

It is an amenable number.

228887585 is a deficient number, since it is larger than the sum of its proper divisors (61364575).

228887585 is a wasteful number, since it uses less digits than its factorization.

228887585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448.

The product of its digits is 2867200, while the sum is 53.

The square root of 228887585 is about 15129.0311983286. The cubic root of 228887585 is about 611.7031904414.

The spelling of 228887585 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, five hundred eighty-five".