228116633 has 2 divisors, whose sum is σ = 228116634. Its totient is φ = 228116632.

The previous prime is 228116627. The next prime is 228116683. The reversal of 228116633 is 336611822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211208089 + 16908544 = 14533^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 228116633 - 2¹⁰ = 228115609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228116633.

It is not a weakly prime, because it can be changed into another prime (228116683) 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, 114058316 + 114058317.

It is an arithmetic number, because the mean of its divisors is an integer number (114058317).

Almost surely, 2^228116633 is an apocalyptic number.

It is an amenable number.

228116633 is a deficient number, since it is larger than the sum of its proper divisors (1).

228116633 is an equidigital number, since it uses as much as digits as its factorization.

228116633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 228116633 is about 15103.5304813146. The cubic root of 228116633 is about 611.0156269023.

The spelling of 228116633 in words is "two hundred twenty-eight million, one hundred sixteen thousand, six hundred thirty-three".