228141791 has 2 divisors, whose sum is σ = 228141792. Its totient is φ = 228141790.

The previous prime is 228141787. The next prime is 228141827. The reversal of 228141791 is 197141822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228141791 - 2² = 228141787 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 (228141691) 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, 114070895 + 114070896.

It is an arithmetic number, because the mean of its divisors is an integer number (114070896).

Almost surely, 2^228141791 is an apocalyptic number.

228141791 is a deficient number, since it is larger than the sum of its proper divisors (1).

228141791 is an equidigital number, since it uses as much as digits as its factorization.

228141791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 228141791 is about 15104.3633099843. The cubic root of 228141791 is about 611.0380881697.

The spelling of 228141791 in words is "two hundred twenty-eight million, one hundred forty-one thousand, seven hundred ninety-one".