9327221280 has 960 divisors, whose sum is σ = 38727279360. Its totient is φ = 2094833664.

The previous prime is 9327221269. The next prime is 9327221311. The reversal of 9327221280 is 821227239.

9327221280 is a `hidden beast` number, since 93 + 272 + 21 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 112376119 + ... + 112376201.

It is an arithmetic number, because the mean of its divisors is an integer number (40340916).

Almost surely, 2^9327221280 is an apocalyptic number.

9327221280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9327221280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19363639680).

9327221280 is an abundant number, since it is smaller than the sum of its proper divisors (29400058080).

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

9327221280 is a wasteful number, since it uses less digits than its factorization.

9327221280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9327221280 is about 96577.5402461670. The cubic root of 9327221280 is about 2104.9935044926.

The spelling of 9327221280 in words is "nine billion, three hundred twenty-seven million, two hundred twenty-one thousand, two hundred eighty".