220066699 has 2 divisors, whose sum is σ = 220066700. Its totient is φ = 220066698.

The previous prime is 220066697. The next prime is 220066723. The reversal of 220066699 is 996660022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220066699 - 2¹ = 220066697 is a prime.

Together with 220066697, it forms a pair of twin primes.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (220066697) 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, 110033349 + 110033350.

It is an arithmetic number, because the mean of its divisors is an integer number (110033350).

Almost surely, 2^220066699 is an apocalyptic number.

220066699 is a deficient number, since it is larger than the sum of its proper divisors (1).

220066699 is an equidigital number, since it uses as much as digits as its factorization.

220066699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 220066699 is about 14834.6452266308. The cubic root of 220066699 is about 603.7420749760.

The spelling of 220066699 in words is "two hundred twenty million, sixty-six thousand, six hundred ninety-nine".