228134111 has 2 divisors, whose sum is σ = 228134112. Its totient is φ = 228134110.

The previous prime is 228134051. The next prime is 228134117. The reversal of 228134111 is 111431822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228134111 - 2⁶ = 228134047 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 (228134117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114067055 + 114067056.

It is an arithmetic number, because the mean of its divisors is an integer number (114067056).

Almost surely, 2^228134111 is an apocalyptic number.

228134111 is a deficient number, since it is larger than the sum of its proper divisors (1).

228134111 is an equidigital number, since it uses as much as digits as its factorization.

228134111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 23.

The square root of 228134111 is about 15104.1090766718. The cubic root of 228134111 is about 611.0312315782.

Adding to 228134111 its reverse (111431822), we get a palindrome (339565933).

The spelling of 228134111 in words is "two hundred twenty-eight million, one hundred thirty-four thousand, one hundred eleven".