66062219 has 2 divisors, whose sum is σ = 66062220. Its totient is φ = 66062218.

The previous prime is 66062167. The next prime is 66062231. The reversal of 66062219 is 91226066.

66062219 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 is a cyclic number.

It is not a de Polignac number, because 66062219 - 2²⁴ = 49285003 is a prime.

It is a super-2 number, since 2×66062219² = 8728433558407922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (66062239) 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, 33031109 + 33031110.

It is an arithmetic number, because the mean of its divisors is an integer number (33031110).

Almost surely, 2^66062219 is an apocalyptic number.

66062219 is a deficient number, since it is larger than the sum of its proper divisors (1).

66062219 is an equidigital number, since it uses as much as digits as its factorization.

66062219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 66062219 is about 8127.8668173144. The cubic root of 66062219 is about 404.2509530429.

The spelling of 66062219 in words is "sixty-six million, sixty-two thousand, two hundred nineteen".