4423020217 has 16 divisors (see below), whose sum is σ = 5547451392. Its totient is φ = 3425861520.

The previous prime is 4423020187. The next prime is 4423020227. The reversal of 4423020217 is 7120203244.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4423020217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4423020191 and 4423020200.

It is not an unprimeable number, because it can be changed into a prime (4423020227) 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, 159123 + ... + 184840.

It is an arithmetic number, because the mean of its divisors is an integer number (346715712).

Almost surely, 2^4423020217 is an apocalyptic number.

It is an amenable number.

4423020217 is a deficient number, since it is larger than the sum of its proper divisors (1124431175).

4423020217 is a wasteful number, since it uses less digits than its factorization.

4423020217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344148.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 4423020217 is about 66505.7908531280. The cubic root of 4423020217 is about 1641.4952921173.

The spelling of 4423020217 in words is "four billion, four hundred twenty-three million, twenty thousand, two hundred seventeen".