66222022266 has 12 divisors (see below), whose sum is σ = 143481048282. Its totient is φ = 22074007416.

The previous prime is 66222022231. The next prime is 66222022271.

66222022266 is a `hidden beast` number, since 6 + 622 + 2 + 0 + 2 + 2 + 26 + 6 = 666.

66222022266 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 44977502241 + 21244520025 = 212079^2 + 145755^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66222022266.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1839500601 + ... + 1839500636.

Almost surely, 2^66222022266 is an apocalyptic number.

66222022266 is an abundant number, since it is smaller than the sum of its proper divisors (77259026016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66222022266 is a wasteful number, since it uses less digits than its factorization.

66222022266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679001245 (or 3679001242 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

It can be divided in two parts, 662220 and 22266, that added together give a palindrome (684486).

The spelling of 66222022266 in words is "sixty-six billion, two hundred twenty-two million, twenty-two thousand, two hundred sixty-six".