9217328844 has 24 divisors (see below), whose sum is σ = 22442192640. Its totient is φ = 2938858384.

The previous prime is 9217328839. The next prime is 9217328881. The reversal of 9217328844 is 4488237129.

It is a junction number, because it is equal to n+sod(n) for n = 9217328793 and 9217328802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16697784 + ... + 16698335.

It is an arithmetic number, because the mean of its divisors is an integer number (935091360).

Almost surely, 2^9217328844 is an apocalyptic number.

It is an amenable number.

9217328844 is an abundant number, since it is smaller than the sum of its proper divisors (13224863796).

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

9217328844 is a wasteful number, since it uses less digits than its factorization.

9217328844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33396149 (or 33396147 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 9217328844 is about 96006.9208130331. The cubic root of 9217328844 is about 2096.6938789409.

The spelling of 9217328844 in words is "nine billion, two hundred seventeen million, three hundred twenty-eight thousand, eight hundred forty-four".