228086249 has 2 divisors, whose sum is σ = 228086250. Its totient is φ = 228086248.

The previous prime is 228086227. The next prime is 228086267. The reversal of 228086249 is 942680822.

228086249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215355625 + 12730624 = 14675^2 + 3568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228086249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228086219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114043124 + 114043125.

It is an arithmetic number, because the mean of its divisors is an integer number (114043125).

Almost surely, 2^228086249 is an apocalyptic number.

It is an amenable number.

228086249 is a deficient number, since it is larger than the sum of its proper divisors (1).

228086249 is an equidigital number, since it uses as much as digits as its factorization.

228086249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 228086249 is about 15102.5245902796. The cubic root of 228086249 is about 610.9884976178.

The spelling of 228086249 in words is "two hundred twenty-eight million, eighty-six thousand, two hundred forty-nine".