228318283 has 2 divisors, whose sum is σ = 228318284. Its totient is φ = 228318282.

The previous prime is 228318271. The next prime is 228318289. The reversal of 228318283 is 382813822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228318283 is a prime.

It is not a weakly prime, because it can be changed into another prime (228318289) 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 as a sum of consecutive naturals, namely, 114159141 + 114159142.

It is an arithmetic number, because the mean of its divisors is an integer number (114159142).

Almost surely, 2^228318283 is an apocalyptic number.

228318283 is a deficient number, since it is larger than the sum of its proper divisors (1).

228318283 is an equidigital number, since it uses as much as digits as its factorization.

228318283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 37.

The square root of 228318283 is about 15110.2045982177. The cubic root of 228318283 is about 611.1956152589.

The spelling of 228318283 in words is "two hundred twenty-eight million, three hundred eighteen thousand, two hundred eighty-three".