227318285 has 8 divisors (see below), whose sum is σ = 272950776. Its totient is φ = 181742080.

The previous prime is 227318281. The next prime is 227318291. The reversal of 227318285 is 582813722.

It can be written as a sum of positive squares in 4 ways, for example, as 14945956 + 212372329 = 3866^2 + 14573^2 .

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

It is not a de Polignac number, because 227318285 - 2² = 227318281 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 (227318281) 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 7 ways as a sum of consecutive naturals, for example, 4604 + ... + 21813.

It is an arithmetic number, because the mean of its divisors is an integer number (34118847).

Almost surely, 2^227318285 is an apocalyptic number.

It is an amenable number.

227318285 is a deficient number, since it is larger than the sum of its proper divisors (45632491).

227318285 is a wasteful number, since it uses less digits than its factorization.

227318285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28143.

The product of its digits is 53760, while the sum is 38.

The square root of 227318285 is about 15077.0781320520. The cubic root of 227318285 is about 610.3019959452.

The spelling of 227318285 in words is "two hundred twenty-seven million, three hundred eighteen thousand, two hundred eighty-five".