22865021866 has 8 divisors (see below), whose sum is σ = 34336377504. Its totient is φ = 11419562700.

The previous prime is 22865021807. The next prime is 22865021873. The reversal of 22865021866 is 66812056822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6471910 + ... + 6475441.

It is an arithmetic number, because the mean of its divisors is an integer number (4292047188).

Almost surely, 2^22865021866 is an apocalyptic number.

22865021866 is a deficient number, since it is larger than the sum of its proper divisors (11471355638).

22865021866 is a wasteful number, since it uses less digits than its factorization.

22865021866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948236.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 22865021866 in words is "twenty-two billion, eight hundred sixty-five million, twenty-one thousand, eight hundred sixty-six".