22644466642 has 8 divisors (see below), whose sum is σ = 38819085696. Its totient is φ = 9704771412.

The previous prime is 22644466639. The next prime is 22644466679. The reversal of 22644466642 is 24666444622.

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

It is a junction number, because it is equal to n+sod(n) for n = 22644466592 and 22644466601.

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, 808730938 + ... + 808730965.

It is an arithmetic number, because the mean of its divisors is an integer number (4852385712).

Almost surely, 2^22644466642 is an apocalyptic number.

22644466642 is a deficient number, since it is larger than the sum of its proper divisors (16174619054).

22644466642 is a wasteful number, since it uses less digits than its factorization.

22644466642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617461912.

The product of its digits is 2654208, while the sum is 46.

The spelling of 22644466642 in words is "twenty-two billion, six hundred forty-four million, four hundred sixty-six thousand, six hundred forty-two".