9999999244 has 12 divisors (see below), whose sum is σ = 17531086104. Its totient is φ = 4991117504.

The previous prime is 9999999241. The next prime is 9999999253. The reversal of 9999999244 is 4429999999.

It is not an unprimeable number, because it can be changed into a prime (9999999241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217997 + ... + 2222500.

It is an arithmetic number, because the mean of its divisors is an integer number (1460923842).

Almost surely, 2^9999999244 is an apocalyptic number.

It is an amenable number.

9999999244 is a deficient number, since it is larger than the sum of its proper divisors (7531086860).

9999999244 is a wasteful number, since it uses less digits than its factorization.

9999999244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441064 (or 4441062 counting only the distinct ones).

The product of its digits is 153055008, while the sum is 73.

The square root of 9999999244 is about 99999.9962199999. The cubic root of 9999999244 is about 2154.4346357401.

The spelling of 9999999244 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, two hundred forty-four".