7206422173 has 2 divisors, whose sum is σ = 7206422174. Its totient is φ = 7206422172.

The previous prime is 7206422081. The next prime is 7206422203. The reversal of 7206422173 is 3712246027.

7206422173 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 can be written as a sum of positive squares in only one way, i.e., 3839289444 + 3367132729 = 61962^2 + 58027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7206422173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7206402173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603211086 + 3603211087.

It is an arithmetic number, because the mean of its divisors is an integer number (3603211087).

Almost surely, 2^7206422173 is an apocalyptic number.

It is an amenable number.

7206422173 is a deficient number, since it is larger than the sum of its proper divisors (1).

7206422173 is an equidigital number, since it uses as much as digits as its factorization.

7206422173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 7206422173 is about 84890.6483247713. The cubic root of 7206422173 is about 1931.5527226565.

The spelling of 7206422173 in words is "seven billion, two hundred six million, four hundred twenty-two thousand, one hundred seventy-three".