4420209 has 24 divisors (see below), whose sum is σ = 6500160. Its totient is φ = 2663584.

The previous prime is 4420189. The next prime is 4420219. The reversal of 4420209 is 9020244.

It is not a de Polignac number, because 4420209 - 2⁷ = 4420081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4420219) 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 in 23 ways as a sum of consecutive naturals, for example, 94024 + ... + 94070.

It is an arithmetic number, because the mean of its divisors is an integer number (270840).

Almost surely, 2^4420209 is an apocalyptic number.

It is an amenable number.

4420209 is a deficient number, since it is larger than the sum of its proper divisors (2079951).

4420209 is a wasteful number, since it uses less digits than its factorization.

4420209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4420209 is about 2102.4293091564. The cubic root of 4420209 is about 164.1147447036.

The spelling of 4420209 in words is "four million, four hundred twenty thousand, two hundred nine".