9122231 has 2 divisors, whose sum is σ = 9122232. Its totient is φ = 9122230.

The previous prime is 9122207. The next prime is 9122257. The reversal of 9122231 is 1322219.

It is a weak prime.

It is an emirp because it is prime and its reverse (1322219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9122231 - 2¹⁰ = 9121207 is a prime.

It is a super-2 number, since 2×9122231² = 166430196834722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9122291) 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, 4561115 + 4561116.

It is an arithmetic number, because the mean of its divisors is an integer number (4561116).

Almost surely, 2^9122231 is an apocalyptic number.

9122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9122231 is an equidigital number, since it uses as much as digits as its factorization.

9122231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 9122231 is about 3020.3031304821. The cubic root of 9122231 is about 208.9458205296.

It can be divided in two parts, 91 and 22231, that added together give a palindrome (22322).

The spelling of 9122231 in words is "nine million, one hundred twenty-two thousand, two hundred thirty-one".