9722197 has 8 divisors (see below), whose sum is σ = 9936000. Its totient is φ = 9510144.

The previous prime is 9722191. The next prime is 9722201. The reversal of 9722197 is 7912279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9722197 - 2¹¹ = 9720149 is a prime.

It is a super-2 number, since 2×9722197² = 189042229013618, which contains 22 as substring.

It is a Duffinian number.

9722197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21429 + ... + 21877.

It is an arithmetic number, because the mean of its divisors is an integer number (1242000).

Almost surely, 2^9722197 is an apocalyptic number.

It is an amenable number.

9722197 is a deficient number, since it is larger than the sum of its proper divisors (213803).

9722197 is a wasteful number, since it uses less digits than its factorization.

9722197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its digits is 15876, while the sum is 37.

The square root of 9722197 is about 3118.0437777555. The cubic root of 9722197 is about 213.4296762651.

The spelling of 9722197 in words is "nine million, seven hundred twenty-two thousand, one hundred ninety-seven".