228680233 has 2 divisors, whose sum is σ = 228680234. Its totient is φ = 228680232.

The previous prime is 228680227. The next prime is 228680297. The reversal of 228680233 is 332086822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193015449 + 35664784 = 13893^2 + 5972^2 .

It is a cyclic number.

It is not a de Polignac number, because 228680233 - 2¹⁷ = 228549161 is a prime.

It is not a weakly prime, because it can be changed into another prime (228680533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114340116 + 114340117.

It is an arithmetic number, because the mean of its divisors is an integer number (114340117).

Almost surely, 2^228680233 is an apocalyptic number.

It is an amenable number.

228680233 is a deficient number, since it is larger than the sum of its proper divisors (1).

228680233 is an equidigital number, since it uses as much as digits as its factorization.

228680233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 228680233 is about 15122.1768604920. The cubic root of 228680233 is about 611.5184182230.

The spelling of 228680233 in words is "two hundred twenty-eight million, six hundred eighty thousand, two hundred thirty-three".