66222223284 has 24 divisors (see below), whose sum is σ = 176592595648. Its totient is φ = 18920635200.

The previous prime is 66222223261. The next prime is 66222223349. The reversal of 66222223284 is 48232222266.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 394179817 + ... + 394179984.

Almost surely, 2^66222223284 is an apocalyptic number.

It is an amenable number.

66222223284 is an abundant number, since it is smaller than the sum of its proper divisors (110370372364).

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

66222223284 is a wasteful number, since it uses less digits than its factorization.

66222223284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788359815 (or 788359813 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

The spelling of 66222223284 in words is "sixty-six billion, two hundred twenty-two million, two hundred twenty-three thousand, two hundred eighty-four".