9220331 has 2 divisors, whose sum is σ = 9220332. Its totient is φ = 9220330.

The previous prime is 9220313. The next prime is 9220369. The reversal of 9220331 is 1330229.

9220331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (9220313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1330229) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9220331 - 2¹⁴ = 9203947 is a prime.

It is a super-2 number, since 2×9220331² = 170029007499122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9220031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610165 + 4610166.

It is an arithmetic number, because the mean of its divisors is an integer number (4610166).

Almost surely, 2^9220331 is an apocalyptic number.

9220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

9220331 is an equidigital number, since it uses as much as digits as its factorization.

9220331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 9220331 is about 3036.4997941709. The cubic root of 9220331 is about 209.6921490755.

The spelling of 9220331 in words is "nine million, two hundred twenty thousand, three hundred thirty-one".