228074311 has 2 divisors, whose sum is σ = 228074312. Its totient is φ = 228074310.

The previous prime is 228074281. The next prime is 228074339. The reversal of 228074311 is 113470822.

It is an a-pointer prime, because the next prime (228074339) can be obtained adding 228074311 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228074311 - 2⁹ = 228073799 is a prime.

It is a Chen prime.

It is equal to p_12542374 and since 228074311 and 12542374 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228074311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228074111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114037155 + 114037156.

It is an arithmetic number, because the mean of its divisors is an integer number (114037156).

Almost surely, 2^228074311 is an apocalyptic number.

228074311 is a deficient number, since it is larger than the sum of its proper divisors (1).

228074311 is an equidigital number, since it uses as much as digits as its factorization.

228074311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 228074311 is about 15102.1293531740. The cubic root of 228074311 is about 610.9778377497.

The spelling of 228074311 in words is "two hundred twenty-eight million, seventy-four thousand, three hundred eleven".