22179778604 has 12 divisors (see below), whose sum is σ = 38863937784. Its totient is φ = 11075796384.

The previous prime is 22179778561. The next prime is 22179778627. The reversal of 22179778604 is 40687797122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519689 + ... + 3525984.

It is an arithmetic number, because the mean of its divisors is an integer number (3238661482).

Almost surely, 2^22179778604 is an apocalyptic number.

It is an amenable number.

22179778604 is a deficient number, since it is larger than the sum of its proper divisors (16684159180).

22179778604 is a wasteful number, since it uses less digits than its factorization.

22179778604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046464 (or 7046462 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 22179778604 in words is "twenty-two billion, one hundred seventy-nine million, seven hundred seventy-eight thousand, six hundred four".