228811727 has 2 divisors, whose sum is σ = 228811728. Its totient is φ = 228811726.

The previous prime is 228811673. The next prime is 228811733. The reversal of 228811727 is 727118822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228811727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228811777) 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, 114405863 + 114405864.

It is an arithmetic number, because the mean of its divisors is an integer number (114405864).

Almost surely, 2^228811727 is an apocalyptic number.

228811727 is a deficient number, since it is larger than the sum of its proper divisors (1).

228811727 is an equidigital number, since it uses as much as digits as its factorization.

228811727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25088, while the sum is 38.

The square root of 228811727 is about 15126.5239562829. The cubic root of 228811727 is about 611.6356060159.

The spelling of 228811727 in words is "two hundred twenty-eight million, eight hundred eleven thousand, seven hundred twenty-seven".