228485183 has 2 divisors, whose sum is σ = 228485184. Its totient is φ = 228485182.

The previous prime is 228485167. The next prime is 228485207. The reversal of 228485183 is 381584822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228485183 - 2⁴ = 228485167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228485183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228485483) 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, 114242591 + 114242592.

It is an arithmetic number, because the mean of its divisors is an integer number (114242592).

Almost surely, 2^228485183 is an apocalyptic number.

228485183 is a deficient number, since it is larger than the sum of its proper divisors (1).

228485183 is an equidigital number, since it uses as much as digits as its factorization.

228485183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 41.

The square root of 228485183 is about 15115.7263470863. The cubic root of 228485183 is about 611.3445063901.

The spelling of 228485183 in words is "two hundred twenty-eight million, four hundred eighty-five thousand, one hundred eighty-three".