9222891 has 16 divisors (see below), whose sum is σ = 13101984. Its totient is φ = 5750784.

The previous prime is 9222887. The next prime is 9222907. The reversal of 9222891 is 1982229.

It is a happy number.

9222891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9222891 - 2² = 9222887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9222491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9375 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (818874).

Almost surely, 2^9222891 is an apocalyptic number.

9222891 is a deficient number, since it is larger than the sum of its proper divisors (3879093).

9222891 is a wasteful number, since it uses less digits than its factorization.

9222891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150.

The product of its digits is 5184, while the sum is 33.

The square root of 9222891 is about 3036.9213028987. The cubic root of 9222891 is about 209.7115540994.

The spelling of 9222891 in words is "nine million, two hundred twenty-two thousand, eight hundred ninety-one".