222165636612 has 24 divisors (see below), whose sum is σ = 524211055200. Its totient is φ = 73223130816.

The previous prime is 222165636607. The next prime is 222165636647. The reversal of 222165636612 is 216636561222.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 104009062 + ... + 104011197.

It is an arithmetic number, because the mean of its divisors is an integer number (21842127300).

Almost surely, 2^222165636612 is an apocalyptic number.

It is an amenable number.

222165636612 is an abundant number, since it is smaller than the sum of its proper divisors (302045418588).

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

222165636612 is a wasteful number, since it uses less digits than its factorization.

222165636612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208020355 (or 208020353 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 222165636612 in words is "two hundred twenty-two billion, one hundred sixty-five million, six hundred thirty-six thousand, six hundred twelve".