9222191 has 8 divisors (see below), whose sum is σ = 10084944. Its totient is φ = 8363520.

The previous prime is 9222179. The next prime is 9222193. The reversal of 9222191 is 1912229.

It is a happy number.

9222191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9222191 - 2¹⁸ = 8960047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9222191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9222193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5621 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (1260618).

Almost surely, 2^9222191 is an apocalyptic number.

9222191 is a deficient number, since it is larger than the sum of its proper divisors (862753).

9222191 is a wasteful number, since it uses less digits than its factorization.

9222191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its digits is 648, while the sum is 26.

The square root of 9222191 is about 3036.8060524176. The cubic root of 9222191 is about 209.7062483949.

It can be divided in two parts, 922 and 2191, that added together give a palindrome (3113).

The spelling of 9222191 in words is "nine million, two hundred twenty-two thousand, one hundred ninety-one".