9220243 has 2 divisors, whose sum is σ = 9220244. Its totient is φ = 9220242.

The previous prime is 9220241. The next prime is 9220247. The reversal of 9220243 is 3420229.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9220243 - 2¹ = 9220241 is a prime.

Together with 9220241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610121 + 4610122.

It is an arithmetic number, because the mean of its divisors is an integer number (4610122).

Almost surely, 2^9220243 is an apocalyptic number.

9220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9220243 is an equidigital number, since it uses as much as digits as its factorization.

9220243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 9220243 is about 3036.4853037682. The cubic root of 9220243 is about 209.6914819640.

The spelling of 9220243 in words is "nine million, two hundred twenty thousand, two hundred forty-three".