4424209 has 2 divisors, whose sum is σ = 4424210. Its totient is φ = 4424208.

The previous prime is 4424191. The next prime is 4424213. The reversal of 4424209 is 9024244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4422609 + 1600 = 2103^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 4424209 - 2⁹ = 4423697 is a prime.

It is equal to p₃₁₀₉₃₉ and since 4424209 and 310939 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4424239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212104 + 2212105.

It is an arithmetic number, because the mean of its divisors is an integer number (2212105).

Almost surely, 2^4424209 is an apocalyptic number.

It is an amenable number.

4424209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424209 is an equidigital number, since it uses as much as digits as its factorization.

4424209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4424209 is about 2103.3803745400. The cubic root of 4424209 is about 164.1642341479.

The spelling of 4424209 in words is "four million, four hundred twenty-four thousand, two hundred nine".