543222209 has 2 divisors, whose sum is σ = 543222210. Its totient is φ = 543222208.

The previous prime is 543222203. The next prime is 543222223. The reversal of 543222209 is 902222345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373571584 + 169650625 = 19328^2 + 13025^2 .

It is a cyclic number.

It is not a de Polignac number, because 543222209 - 2²⁰ = 542173633 is a prime.

It is not a weakly prime, because it can be changed into another prime (543222203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271611104 + 271611105.

It is an arithmetic number, because the mean of its divisors is an integer number (271611105).

Almost surely, 2^543222209 is an apocalyptic number.

It is an amenable number.

543222209 is a deficient number, since it is larger than the sum of its proper divisors (1).

543222209 is an equidigital number, since it uses as much as digits as its factorization.

543222209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 543222209 is about 23307.1278582326. The cubic root of 543222209 is about 815.9417815579.

The spelling of 543222209 in words is "five hundred forty-three million, two hundred twenty-two thousand, two hundred nine".