228000533 has 2 divisors, whose sum is σ = 228000534. Its totient is φ = 228000532.

The previous prime is 228000529. The next prime is 228000559. The reversal of 228000533 is 335000822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219573124 + 8427409 = 14818^2 + 2903^2 .

It is a cyclic number.

It is not a de Polignac number, because 228000533 - 2² = 228000529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228000499 and 228000508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228000833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114000266 + 114000267.

It is an arithmetic number, because the mean of its divisors is an integer number (114000267).

Almost surely, 2^228000533 is an apocalyptic number.

It is an amenable number.

228000533 is a deficient number, since it is larger than the sum of its proper divisors (1).

228000533 is an equidigital number, since it uses as much as digits as its factorization.

228000533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 228000533 is about 15099.6865199248. The cubic root of 228000533 is about 610.9119504751.

The spelling of 228000533 in words is "two hundred twenty-eight million, five hundred thirty-three", and thus it is an aban number.