9220091 has 2 divisors, whose sum is σ = 9220092. Its totient is φ = 9220090.

The previous prime is 9220061. The next prime is 9220093. The reversal of 9220091 is 1900229.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9220091 - 2¹⁴ = 9203707 is a prime.

Together with 9220093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9220093) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610045 + 4610046.

It is an arithmetic number, because the mean of its divisors is an integer number (4610046).

Almost surely, 2^9220091 is an apocalyptic number.

9220091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9220091 is an equidigital number, since it uses as much as digits as its factorization.

9220091 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 23.

The square root of 9220091 is about 3036.4602747278. The cubic root of 9220091 is about 209.6903296704.

The spelling of 9220091 in words is "nine million, two hundred twenty thousand, ninety-one".