4220533809 has 16 divisors (see below), whose sum is σ = 6405147840. Its totient is φ = 2745061920.

The previous prime is 4220533771. The next prime is 4220533813. The reversal of 4220533809 is 9083350224.

4220533809 is a `hidden beast` number, since 4 + 220 + 53 + 380 + 9 = 666.

4220533809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4220533809 - 2⁹ = 4220533297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4220533829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905187 + ... + 1907400.

It is an arithmetic number, because the mean of its divisors is an integer number (400321740).

Almost surely, 2^4220533809 is an apocalyptic number.

It is an amenable number.

4220533809 is a deficient number, since it is larger than the sum of its proper divisors (2184614031).

4220533809 is a wasteful number, since it uses less digits than its factorization.

4220533809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812637 (or 3812631 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 4220533809 is about 64965.6356006774. The cubic root of 4220533809 is about 1616.0537246919.

The spelling of 4220533809 in words is "four billion, two hundred twenty million, five hundred thirty-three thousand, eight hundred nine".