228684271 has 2 divisors, whose sum is σ = 228684272. Its totient is φ = 228684270.

The previous prime is 228684217. The next prime is 228684293. The reversal of 228684271 is 172486822.

Together with previous prime (228684217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228684271 - 2⁹ = 228683759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228684571) 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, 114342135 + 114342136.

It is an arithmetic number, because the mean of its divisors is an integer number (114342136).

Almost surely, 2^228684271 is an apocalyptic number.

228684271 is a deficient number, since it is larger than the sum of its proper divisors (1).

228684271 is an equidigital number, since it uses as much as digits as its factorization.

228684271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 228684271 is about 15122.3103724266. The cubic root of 228684271 is about 611.5220175675.

The spelling of 228684271 in words is "two hundred twenty-eight million, six hundred eighty-four thousand, two hundred seventy-one".