228327311 has 2 divisors, whose sum is σ = 228327312. Its totient is φ = 228327310.

The previous prime is 228327287. The next prime is 228327343. The reversal of 228327311 is 113723822.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228327311 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 (228327511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114163655 + 114163656.

It is an arithmetic number, because the mean of its divisors is an integer number (114163656).

Almost surely, 2^228327311 is an apocalyptic number.

228327311 is a deficient number, since it is larger than the sum of its proper divisors (1).

228327311 is an equidigital number, since it uses as much as digits as its factorization.

228327311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 228327311 is about 15110.5033337742. The cubic root of 228327311 is about 611.2036709742.

The spelling of 228327311 in words is "two hundred twenty-eight million, three hundred twenty-seven thousand, three hundred eleven".