8242244217 has 6 divisors (see below), whose sum is σ = 11905463882. Its totient is φ = 5494829472.

The previous prime is 8242244183. The next prime is 8242244233. The reversal of 8242244217 is 7124422428.

8242244217 is a `hidden beast` number, since 8 + 2 + 4 + 224 + 421 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4999055616 + 3243188601 = 70704^2 + 56949^2 .

It is not a de Polignac number, because 8242244217 - 2⁷ = 8242244089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8242244617) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 457902448 + ... + 457902465.

Almost surely, 2^8242244217 is an apocalyptic number.

It is an amenable number.

8242244217 is a deficient number, since it is larger than the sum of its proper divisors (3663219665).

8242244217 is a wasteful number, since it uses less digits than its factorization.

8242244217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915804919 (or 915804916 counting only the distinct ones).

The product of its digits is 57344, while the sum is 36.

The square root of 8242244217 is about 90786.8064037942. The cubic root of 8242244217 is about 2019.9866202591.

The spelling of 8242244217 in words is "eight billion, two hundred forty-two million, two hundred forty-four thousand, two hundred seventeen".