22068403684 has 12 divisors (see below), whose sum is σ = 38654288764. Its totient is φ = 11024321184.

The previous prime is 22068403667. The next prime is 22068403697. The reversal of 22068403684 is 48630486022.

It can be written as a sum of positive squares in 2 ways, for example, as 1907243584 + 20161160100 = 43672^2 + 141990^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22068403684.

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, 2465139 + ... + 2474074.

Almost surely, 2^22068403684 is an apocalyptic number.

It is an amenable number.

22068403684 is a deficient number, since it is larger than the sum of its proper divisors (16585885080).

22068403684 is a wasteful number, since it uses less digits than its factorization.

22068403684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940334 (or 4940332 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 22068403684 in words is "twenty-two billion, sixty-eight million, four hundred three thousand, six hundred eighty-four".