9122291 has 2 divisors, whose sum is σ = 9122292. Its totient is φ = 9122290.

The previous prime is 9122287. The next prime is 9122297. The reversal of 9122291 is 1922219.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9122291 - 2² = 9122287 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9122291.

It is not a weakly prime, because it can be changed into another prime (9122297) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4561145 + 4561146.

It is an arithmetic number, because the mean of its divisors is an integer number (4561146).

Almost surely, 2^9122291 is an apocalyptic number.

9122291 is a deficient number, since it is larger than the sum of its proper divisors (1).

9122291 is an equidigital number, since it uses as much as digits as its factorization.

9122291 is an odious number, because the sum of its binary digits is odd.

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

The square root of 9122291 is about 3020.3130632436. The cubic root of 9122291 is about 208.9462786310.

The spelling of 9122291 in words is "nine million, one hundred twenty-two thousand, two hundred ninety-one".