228307271 has 2 divisors, whose sum is σ = 228307272. Its totient is φ = 228307270.

The previous prime is 228307259. The next prime is 228307283. The reversal of 228307271 is 172703822.

228307271 is nontrivially palindromic in base 9.

It is a balanced prime because it is at equal distance from previous prime (228307259) and next prime (228307283).

It is a cyclic number.

It is not a de Polignac number, because 228307271 - 2¹⁸ = 228045127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228307231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114153635 + 114153636.

It is an arithmetic number, because the mean of its divisors is an integer number (114153636).

Almost surely, 2^228307271 is an apocalyptic number.

228307271 is a deficient number, since it is larger than the sum of its proper divisors (1).

228307271 is an equidigital number, since it uses as much as digits as its factorization.

228307271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 228307271 is about 15109.8402043172. The cubic root of 228307271 is about 611.1857889260.

The spelling of 228307271 in words is "two hundred twenty-eight million, three hundred seven thousand, two hundred seventy-one".