9224642720 has 96 divisors (see below), whose sum is σ = 22669549056. Its totient is φ = 3543321600.

The previous prime is 9224642617. The next prime is 9224642723. The reversal of 9224642720 is 272464229.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9224642723) 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 15 ways as a sum of consecutive naturals, for example, 642662 + ... + 656858.

It is an arithmetic number, because the mean of its divisors is an integer number (236141136).

Almost surely, 2^9224642720 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 9224642720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11334774528).

9224642720 is an abundant number, since it is smaller than the sum of its proper divisors (13444906336).

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

9224642720 is a wasteful number, since it uses less digits than its factorization.

9224642720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14374 (or 14366 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 9224642720 is about 96045.0036180956. The cubic root of 9224642720 is about 2097.2483022100.

The spelling of 9224642720 in words is "nine billion, two hundred twenty-four million, six hundred forty-two thousand, seven hundred twenty".