22769984644 has 12 divisors (see below), whose sum is σ = 43469970768. Its totient is φ = 10349993000.

The previous prime is 22769984537. The next prime is 22769984663. The reversal of 22769984644 is 44648996722.

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, 258749782 + ... + 258749869.

It is an arithmetic number, because the mean of its divisors is an integer number (3622497564).

Almost surely, 2^22769984644 is an apocalyptic number.

It is an amenable number.

22769984644 is a deficient number, since it is larger than the sum of its proper divisors (20699986124).

22769984644 is a wasteful number, since it uses less digits than its factorization.

22769984644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517499666 (or 517499664 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 22769984644 in words is "twenty-two billion, seven hundred sixty-nine million, nine hundred eighty-four thousand, six hundred forty-four".