22068917908 has 48 divisors (see below), whose sum is σ = 39215994048. Its totient is φ = 10866240000.

The previous prime is 22068917851. The next prime is 22068917911. The reversal of 22068917908 is 80971986022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55034508 + ... + 55034908.

It is an arithmetic number, because the mean of its divisors is an integer number (816999876).

Almost surely, 2^22068917908 is an apocalyptic number.

It is an amenable number.

22068917908 is a deficient number, since it is larger than the sum of its proper divisors (17147076140).

22068917908 is a wasteful number, since it uses less digits than its factorization.

22068917908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 22068917908 in words is "twenty-two billion, sixty-eight million, nine hundred seventeen thousand, nine hundred eight".