66422063 has 2 divisors, whose sum is σ = 66422064. Its totient is φ = 66422062.

The previous prime is 66422039. The next prime is 66422071. The reversal of 66422063 is 36022466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66422063 - 2⁸ = 66421807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66422003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33211031 + 33211032.

It is an arithmetic number, because the mean of its divisors is an integer number (33211032).

Almost surely, 2^66422063 is an apocalyptic number.

66422063 is a deficient number, since it is larger than the sum of its proper divisors (1).

66422063 is an equidigital number, since it uses as much as digits as its factorization.

66422063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 66422063 is about 8149.9731901400. The cubic root of 66422063 is about 404.9836156558.

The spelling of 66422063 in words is "sixty-six million, four hundred twenty-two thousand, sixty-three".