22668319585 has 4 divisors (see below), whose sum is σ = 27201983508. Its totient is φ = 18134655664.

The previous prime is 22668319573. The next prime is 22668319651. The reversal of 22668319585 is 58591386622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58591386622 = 2 ⋅29295693311.

It can be written as a sum of positive squares in 2 ways, for example, as 10311996304 + 12356323281 = 101548^2 + 111159^2 .

It is a cyclic number.

It is not a de Polignac number, because 22668319585 - 2¹¹ = 22668317537 is a prime.

It is a Duffinian number.

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, 2266831954 + ... + 2266831963.

It is an arithmetic number, because the mean of its divisors is an integer number (6800495877).

Almost surely, 2^22668319585 is an apocalyptic number.

It is an amenable number.

22668319585 is a deficient number, since it is larger than the sum of its proper divisors (4533663923).

22668319585 is an equidigital number, since it uses as much as digits as its factorization.

22668319585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533663922.

The product of its digits is 6220800, while the sum is 55.

The spelling of 22668319585 in words is "twenty-two billion, six hundred sixty-eight million, three hundred nineteen thousand, five hundred eighty-five".