9722271 has 16 divisors (see below), whose sum is σ = 14122080. Its totient is φ = 5913600.

The previous prime is 9722269. The next prime is 9722287. The reversal of 9722271 is 1722279.

It is a happy number.

It is not a de Polignac number, because 9722271 - 2¹ = 9722269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722201) 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, 2071 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (882630).

Almost surely, 2^9722271 is an apocalyptic number.

9722271 is a deficient number, since it is larger than the sum of its proper divisors (4399809).

9722271 is a wasteful number, since it uses less digits than its factorization.

9722271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906.

The product of its digits is 3528, while the sum is 30.

The square root of 9722271 is about 3118.0556441475. The cubic root of 9722271 is about 213.4302177667.

The spelling of 9722271 in words is "nine million, seven hundred twenty-two thousand, two hundred seventy-one".