4122209 has 16 divisors (see below), whose sum is σ = 5136768. Its totient is φ = 3220992.

The previous prime is 4122187. The next prime is 4122227. The reversal of 4122209 is 9022214.

It is a cyclic number.

It is not a de Polignac number, because 4122209 - 2²⁰ = 3073633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4122289) 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 in 15 ways as a sum of consecutive naturals, for example, 8594 + ... + 9060.

It is an arithmetic number, because the mean of its divisors is an integer number (321048).

Almost surely, 2^4122209 is an apocalyptic number.

It is an amenable number.

4122209 is a deficient number, since it is larger than the sum of its proper divisors (1014559).

4122209 is a wasteful number, since it uses less digits than its factorization.

4122209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4122209 is about 2030.3223881936. The cubic root of 4122209 is about 160.3405377195.

The spelling of 4122209 in words is "four million, one hundred twenty-two thousand, two hundred nine".