9381522272 has 96 divisors (see below), whose sum is σ = 19736136000. Its totient is φ = 4381267968.

The previous prime is 9381522253. The next prime is 9381522331. The reversal of 9381522272 is 2722251839.

9381522272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6832178 + ... + 6833550.

It is an arithmetic number, because the mean of its divisors is an integer number (205584750).

Almost surely, 2^9381522272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9381522272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9868068000).

9381522272 is an abundant number, since it is smaller than the sum of its proper divisors (10354613728).

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

9381522272 is a wasteful number, since it uses less digits than its factorization.

9381522272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1640 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 9381522272 is about 96858.2586669820. The cubic root of 9381522272 is about 2109.0705363236.

The spelling of 9381522272 in words is "nine billion, three hundred eighty-one million, five hundred twenty-two thousand, two hundred seventy-two".