4223550209 has 2 divisors, whose sum is σ = 4223550210. Its totient is φ = 4223550208.

The previous prime is 4223550197. The next prime is 4223550241. The reversal of 4223550209 is 9020553224.

It is an a-pointer prime, because the next prime (4223550241) can be obtained adding 4223550209 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2615299600 + 1608250609 = 51140^2 + 40103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4223550209 is a prime.

It is not a weakly prime, because it can be changed into another prime (4223580209) 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, 2111775104 + 2111775105.

It is an arithmetic number, because the mean of its divisors is an integer number (2111775105).

Almost surely, 2^4223550209 is an apocalyptic number.

It is an amenable number.

4223550209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223550209 is an equidigital number, since it uses as much as digits as its factorization.

4223550209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 4223550209 is about 64988.8468046633. The cubic root of 4223550209 is about 1616.4386288955.

The spelling of 4223550209 in words is "four billion, two hundred twenty-three million, five hundred fifty thousand, two hundred nine".