4220433209 has 4 divisors (see below), whose sum is σ = 4468694004. Its totient is φ = 3972172416.

The previous prime is 4220433179. The next prime is 4220433233. The reversal of 4220433209 is 9023340224.

4220433209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2271475600 + 1948957609 = 47660^2 + 44147^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220433209 - 2¹² = 4220429113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220433289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124130372 + ... + 124130405.

It is an arithmetic number, because the mean of its divisors is an integer number (1117173501).

Almost surely, 2^4220433209 is an apocalyptic number.

It is an amenable number.

4220433209 is a deficient number, since it is larger than the sum of its proper divisors (248260795).

4220433209 is a wasteful number, since it uses less digits than its factorization.

4220433209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248260794.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 4220433209 is about 64964.8613405740. The cubic root of 4220433209 is about 1616.0408845865.

The spelling of 4220433209 in words is "four billion, two hundred twenty million, four hundred thirty-three thousand, two hundred nine".