9322991 has 2 divisors, whose sum is σ = 9322992. Its totient is φ = 9322990.

The previous prime is 9322979. The next prime is 9322993. The reversal of 9322991 is 1992239.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9322991 - 2¹⁴ = 9306607 is a prime.

It is a super-2 number, since 2×9322991² = 173836322372162, which contains 22 as substring.

Together with 9322993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9322993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4661495 + 4661496.

It is an arithmetic number, because the mean of its divisors is an integer number (4661496).

Almost surely, 2^9322991 is an apocalyptic number.

9322991 is a deficient number, since it is larger than the sum of its proper divisors (1).

9322991 is an equidigital number, since it uses as much as digits as its factorization.

9322991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 35.

The square root of 9322991 is about 3053.3573325112. The cubic root of 9322991 is about 210.4675222544.

The spelling of 9322991 in words is "nine million, three hundred twenty-two thousand, nine hundred ninety-one".