228982285 has 8 divisors (see below), whose sum is σ = 314032896. Its totient is φ = 157016400.

The previous prime is 228982283. The next prime is 228982291. The reversal of 228982285 is 582289822.

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

It is not a de Polignac number, because 228982285 - 2¹ = 228982283 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 (228982283) 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 7 ways as a sum of consecutive naturals, for example, 3271141 + ... + 3271210.

It is an arithmetic number, because the mean of its divisors is an integer number (39254112).

Almost surely, 2^228982285 is an apocalyptic number.

It is an amenable number.

228982285 is a deficient number, since it is larger than the sum of its proper divisors (85050611).

228982285 is an equidigital number, since it uses as much as digits as its factorization.

228982285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542363.

The product of its digits is 368640, while the sum is 46.

The square root of 228982285 is about 15132.1606190260. The cubic root of 228982285 is about 611.7875408805.

The spelling of 228982285 in words is "two hundred twenty-eight million, nine hundred eighty-two thousand, two hundred eighty-five".