9117222 has 16 divisors (see below), whose sum is σ = 18273600. Its totient is φ = 3032552.

The previous prime is 9117221. The next prime is 9117257. The reversal of 9117222 is 2227119.

It is a junction number, because it is equal to n+sod(n) for n = 9117192 and 9117201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9117221) 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, 2029 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (1142100).

Almost surely, 2^9117222 is an apocalyptic number.

9117222 is an abundant number, since it is smaller than the sum of its proper divisors (9156378).

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

9117222 is a wasteful number, since it uses less digits than its factorization.

9117222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267.

The product of its digits is 504, while the sum is 24.

The square root of 9117222 is about 3019.4737952166. The cubic root of 9117222 is about 208.9075696076.

It can be divided in two parts, 9117 and 222, that added together give a palindrome (9339).

The spelling of 9117222 in words is "nine million, one hundred seventeen thousand, two hundred twenty-two".