228077233 has 2 divisors, whose sum is σ = 228077234. Its totient is φ = 228077232.

The previous prime is 228077209. The next prime is 228077243. The reversal of 228077233 is 332770822.

It is a happy number.

228077233 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., 183548304 + 44528929 = 13548^2 + 6673^2 .

It is a cyclic number.

It is not a de Polignac number, because 228077233 - 2⁹ = 228076721 is a prime.

It is not a weakly prime, because it can be changed into another prime (228077243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114038616 + 114038617.

It is an arithmetic number, because the mean of its divisors is an integer number (114038617).

Almost surely, 2^228077233 is an apocalyptic number.

It is an amenable number.

228077233 is a deficient number, since it is larger than the sum of its proper divisors (1).

228077233 is an equidigital number, since it uses as much as digits as its factorization.

228077233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 228077233 is about 15102.2260941889. The cubic root of 228077233 is about 610.9804469426.

The spelling of 228077233 in words is "two hundred twenty-eight million, seventy-seven thousand, two hundred thirty-three".