222666605568 has 264 divisors, whose sum is σ = 724030384896. Its totient is φ = 65297203200.

The previous prime is 222666605453. The next prime is 222666605573. The reversal of 222666605568 is 865506666222.

222666605568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (264).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3107230 + ... + 3178082.

Almost surely, 2^222666605568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222666605568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362015192448).

222666605568 is an abundant number, since it is smaller than the sum of its proper divisors (501363779328).

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

222666605568 is a wasteful number, since it uses less digits than its factorization.

222666605568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70921 (or 70900 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 222666605568 in words is "two hundred twenty-two billion, six hundred sixty-six million, six hundred five thousand, five hundred sixty-eight".