228673285 has 8 divisors (see below), whose sum is σ = 274974336. Its totient is φ = 182561040.

The previous prime is 228673271. The next prime is 228673297. The reversal of 228673285 is 582376822.

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

It is not a de Polignac number, because 228673285 - 2¹³ = 228665093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44521 + ... + 49390.

It is an arithmetic number, because the mean of its divisors is an integer number (34371792).

Almost surely, 2^228673285 is an apocalyptic number.

It is an amenable number.

228673285 is a deficient number, since it is larger than the sum of its proper divisors (46301051).

228673285 is an equidigital number, since it uses as much as digits as its factorization.

228673285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94403.

The product of its digits is 322560, while the sum is 43.

The square root of 228673285 is about 15121.9471299168. The cubic root of 228673285 is about 611.5122248980.

The spelling of 228673285 in words is "two hundred twenty-eight million, six hundred seventy-three thousand, two hundred eighty-five".