9717222 has 16 divisors (see below), whose sum is σ = 19535472. Its totient is φ = 3222240.

The previous prime is 9717221. The next prime is 9717223. The reversal of 9717222 is 2227179.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9717221) and next prime (9717223).

It is a self number, because there is not a number n which added to its sum of digits gives 9717222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9717221) 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, 2929 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (1220967).

Almost surely, 2^9717222 is an apocalyptic number.

9717222 is an abundant number, since it is smaller than the sum of its proper divisors (9818250).

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

9717222 is a wasteful number, since it uses less digits than its factorization.

9717222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423.

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

The square root of 9717222 is about 3117.2458998289. The cubic root of 9717222 is about 213.3932649544.

The spelling of 9717222 in words is "nine million, seven hundred seventeen thousand, two hundred twenty-two".