22642066866 has 16 divisors (see below), whose sum is σ = 45287748000. Its totient is φ = 7546753248.

The previous prime is 22642066829. The next prime is 22642066871. The reversal of 22642066866 is 66866024622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65451 + ... + 222638.

It is an arithmetic number, because the mean of its divisors is an integer number (2830484250).

Almost surely, 2^22642066866 is an apocalyptic number.

22642066866 is an abundant number, since it is smaller than the sum of its proper divisors (22645681134).

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

22642066866 is a wasteful number, since it uses less digits than its factorization.

22642066866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301193.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 22642066866 in words is "twenty-two billion, six hundred forty-two million, sixty-six thousand, eight hundred sixty-six".