22688708722 has 8 divisors (see below), whose sum is σ = 34033718700. Its totient is φ = 11344135824.

The previous prime is 22688708687. The next prime is 22688708747. The reversal of 22688708722 is 22780788622.

It can be written as a sum of positive squares in 2 ways, for example, as 22120315441 + 568393281 = 148729^2 + 23841^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22688708722.

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, 102904 + ... + 236572.

Almost surely, 2^22688708722 is an apocalyptic number.

22688708722 is a deficient number, since it is larger than the sum of its proper divisors (11345009978).

22688708722 is a wasteful number, since it uses less digits than its factorization.

22688708722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218540.

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 22688708722 in words is "twenty-two billion, six hundred eighty-eight million, seven hundred eight thousand, seven hundred twenty-two".