228817033 has 2 divisors, whose sum is σ = 228817034. Its totient is φ = 228817032.

The previous prime is 228817027. The next prime is 228817097. The reversal of 228817033 is 330718822.

228817033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218241529 + 10575504 = 14773^2 + 3252^2 .

It is a cyclic number.

It is not a de Polignac number, because 228817033 - 2²¹ = 226719881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228817033.

It is not a weakly prime, because it can be changed into another prime (228817003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114408516 + 114408517.

It is an arithmetic number, because the mean of its divisors is an integer number (114408517).

Almost surely, 2^228817033 is an apocalyptic number.

It is an amenable number.

228817033 is a deficient number, since it is larger than the sum of its proper divisors (1).

228817033 is an equidigital number, since it uses as much as digits as its factorization.

228817033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 228817033 is about 15126.6993425532. The cubic root of 228817033 is about 611.6403337943.

It can be divided in two parts, 2288 and 17033, that added together give a square (19321 = 139²).

The spelling of 228817033 in words is "two hundred twenty-eight million, eight hundred seventeen thousand, thirty-three".