228454033 has 2 divisors, whose sum is σ = 228454034. Its totient is φ = 228454032.

The previous prime is 228454027. The next prime is 228454067. The reversal of 228454033 is 330454822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194546704 + 33907329 = 13948^2 + 5823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228454033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228453986 and 228454004.

It is not a weakly prime, because it can be changed into another prime (228454013) 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, 114227016 + 114227017.

It is an arithmetic number, because the mean of its divisors is an integer number (114227017).

Almost surely, 2^228454033 is an apocalyptic number.

It is an amenable number.

228454033 is a deficient number, since it is larger than the sum of its proper divisors (1).

228454033 is an equidigital number, since it uses as much as digits as its factorization.

228454033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 228454033 is about 15114.6959281356. The cubic root of 228454033 is about 611.3167230467.

The spelling of 228454033 in words is "two hundred twenty-eight million, four hundred fifty-four thousand, thirty-three".