228043241 has 2 divisors, whose sum is σ = 228043242. Its totient is φ = 228043240.

The previous prime is 228043177. The next prime is 228043243. The reversal of 228043241 is 142340822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202236841 + 25806400 = 14221^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 228043241 - 2⁶ = 228043177 is a prime.

It is a Sophie Germain prime.

Together with 228043243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228043241.

It is not a weakly prime, because it can be changed into another prime (228043243) 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, 114021620 + 114021621.

It is an arithmetic number, because the mean of its divisors is an integer number (114021621).

Almost surely, 2^228043241 is an apocalyptic number.

It is an amenable number.

228043241 is a deficient number, since it is larger than the sum of its proper divisors (1).

228043241 is an equidigital number, since it uses as much as digits as its factorization.

228043241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 228043241 is about 15101.1006552503. The cubic root of 228043241 is about 610.9500924893.

The spelling of 228043241 in words is "two hundred twenty-eight million, forty-three thousand, two hundred forty-one".