9220207 has 2 divisors, whose sum is σ = 9220208. Its totient is φ = 9220206.

The previous prime is 9220181. The next prime is 9220213. The reversal of 9220207 is 7020229.

9220207 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9220207 - 2²³ = 831599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9220247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610103 + 4610104.

It is an arithmetic number, because the mean of its divisors is an integer number (4610104).

Almost surely, 2^9220207 is an apocalyptic number.

9220207 is a deficient number, since it is larger than the sum of its proper divisors (1).

9220207 is an equidigital number, since it uses as much as digits as its factorization.

9220207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 9220207 is about 3036.4793758562. The cubic root of 9220207 is about 209.6912090535.

Adding to 9220207 its sum of digits (22), we get a palindrome (9220229).

The spelling of 9220207 in words is "nine million, two hundred twenty thousand, two hundred seven".