9722130 has 64 divisors (see below), whose sum is σ = 26967168. Its totient is φ = 2216960.

The previous prime is 9722117. The next prime is 9722137. The reversal of 9722130 is 312279.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9722130.

It is not an unprimeable number, because it can be changed into a prime (9722137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4744 + ... + 6476.

It is an arithmetic number, because the mean of its divisors is an integer number (421362).

Almost surely, 2^9722130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9722130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13483584).

9722130 is an abundant number, since it is smaller than the sum of its proper divisors (17245038).

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

9722130 is a wasteful number, since it uses less digits than its factorization.

9722130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 9722130 is about 3118.0330338212. The cubic root of 9722130 is about 213.4291859842.

The spelling of 9722130 in words is "nine million, seven hundred twenty-two thousand, one hundred thirty".