65422117 has 2 divisors, whose sum is σ = 65422118. Its totient is φ = 65422116.

The previous prime is 65422079. The next prime is 65422153. The reversal of 65422117 is 71122456.

65422117 is digitally balanced in base 2, 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., 42850116 + 22572001 = 6546^2 + 4751^2 .

It is a cyclic number.

It is not a de Polignac number, because 65422117 - 2⁷ = 65421989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65422517) 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, 32711058 + 32711059.

It is an arithmetic number, because the mean of its divisors is an integer number (32711059).

Almost surely, 2^65422117 is an apocalyptic number.

It is an amenable number.

65422117 is a deficient number, since it is larger than the sum of its proper divisors (1).

65422117 is an equidigital number, since it uses as much as digits as its factorization.

65422117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 65422117 is about 8088.3939691387. The cubic root of 65422117 is about 402.9410660762.

The spelling of 65422117 in words is "sixty-five million, four hundred twenty-two thousand, one hundred seventeen".