228841 has 2 divisors, whose sum is σ = 228842. Its totient is φ = 228840.

The previous prime is 228829. The next prime is 228847. The reversal of 228841 is 148822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 52441 = 420^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 228841 - 2⁷ = 228713 is a prime.

It is not a weakly prime, because it can be changed into another prime (228847) 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, 114420 + 114421.

It is an arithmetic number, because the mean of its divisors is an integer number (114421).

2²²⁸⁸⁴¹ is an apocalyptic number.

It is an amenable number.

228841 is a deficient number, since it is larger than the sum of its proper divisors (1).

228841 is an equidigital number, since it uses as much as digits as its factorization.

228841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 25.

The square root of 228841 is about 478.3732852073. The cubic root of 228841 is about 61.1661688079.

The spelling of 228841 in words is "two hundred twenty-eight thousand, eight hundred forty-one".