228630271 has 2 divisors, whose sum is σ = 228630272. Its totient is φ = 228630270.

The previous prime is 228630221. The next prime is 228630293. The reversal of 228630271 is 172036822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228630271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228630221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114315135 + 114315136.

It is an arithmetic number, because the mean of its divisors is an integer number (114315136).

Almost surely, 2^228630271 is an apocalyptic number.

228630271 is a deficient number, since it is larger than the sum of its proper divisors (1).

228630271 is an equidigital number, since it uses as much as digits as its factorization.

228630271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 228630271 is about 15120.5248255476. The cubic root of 228630271 is about 611.4738801823.

The spelling of 228630271 in words is "two hundred twenty-eight million, six hundred thirty thousand, two hundred seventy-one".