4220443206 has 144 divisors (see below), whose sum is σ = 10952205264. Its totient is φ = 1170505728.

The previous prime is 4220443187. The next prime is 4220443219. The reversal of 4220443206 is 6023440224.

4220443206 is a `hidden beast` number, since 4 + 220 + 4 + 432 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4220443206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9746766 + ... + 9747198.

It is an arithmetic number, because the mean of its divisors is an integer number (76056981).

Almost surely, 2^4220443206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220443206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5476102632).

4220443206 is an abundant number, since it is smaller than the sum of its proper divisors (6731762058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220443206 is a wasteful number, since it uses less digits than its factorization.

4220443206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4220443206 is about 64964.9382821226. The cubic root of 4220443206 is about 1616.0421605652.

The spelling of 4220443206 in words is "four billion, two hundred twenty million, four hundred forty-three thousand, two hundred six".