228805585 has 8 divisors (see below), whose sum is σ = 276005376. Its totient is φ = 182085360.

The previous prime is 228805583. The next prime is 228805589. The reversal of 228805585 is 585508822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228805585 - 2¹ = 228805583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228805583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118839 + ... + 120748.

It is an arithmetic number, because the mean of its divisors is an integer number (34500672).

Almost surely, 2^228805585 is an apocalyptic number.

It is an amenable number.

228805585 is a deficient number, since it is larger than the sum of its proper divisors (47199791).

228805585 is a wasteful number, since it uses less digits than its factorization.

228805585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239783.

The product of its (nonzero) digits is 256000, while the sum is 43.

The square root of 228805585 is about 15126.3209340540. The cubic root of 228805585 is about 611.6301332493.

The spelling of 228805585 in words is "two hundred twenty-eight million, eight hundred five thousand, five hundred eighty-five".