7922207 has 2 divisors, whose sum is σ = 7922208. Its totient is φ = 7922206.

The previous prime is 7922203. The next prime is 7922209. The reversal of 7922207 is 7022297.

7922207 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7022297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7922207 - 2² = 7922203 is a prime.

It is a super-2 number, since 2×7922207² = 125522727501698, which contains 22 as substring.

Together with 7922209, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₅₃₄₈₉₀ and since 7922207 and 534890 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7922207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7922203) 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, 3961103 + 3961104.

It is an arithmetic number, because the mean of its divisors is an integer number (3961104).

Almost surely, 2^7922207 is an apocalyptic number.

7922207 is a deficient number, since it is larger than the sum of its proper divisors (1).

7922207 is an equidigital number, since it uses as much as digits as its factorization.

7922207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 7922207 is about 2814.6415402321. The cubic root of 7922207 is about 199.3496122717.

The spelling of 7922207 in words is "seven million, nine hundred twenty-two thousand, two hundred seven".