66224422442266 has 128 divisors (see below), whose sum is σ = 118500931584000. Its totient is φ = 27422009049600.

The previous prime is 66224422442261. The next prime is 66224422442267.

66224422442266 is nontrivially palindromic in base 10.

66224422442266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66224422442266² (a number of 28 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (66224422442261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8502297100 + ... + 8502304888.

It is an arithmetic number, because the mean of its divisors is an integer number (925788528000).

Almost surely, 2^{66224422442266} is an apocalyptic number.

66224422442266 is a deficient number, since it is larger than the sum of its proper divisors (52276509141734).

66224422442266 is a wasteful number, since it uses less digits than its factorization.

66224422442266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11948.

The product of its digits is 21233664, while the sum is 52.

The spelling of 66224422442266 in words is "sixty-six trillion, two hundred twenty-four billion, four hundred twenty-two million, four hundred forty-two thousand, two hundred sixty-six".