22668669423 has 8 divisors (see below), whose sum is σ = 33583214000. Its totient is φ = 15112446264.

The previous prime is 22668669377. The next prime is 22668669449. The reversal of 22668669423 is 32496686622.

It is a happy number.

22668669423 is a `hidden beast` number, since 22 + 66 + 86 + 69 + 423 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-22668669423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22668669423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22668669223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419790148 + ... + 419790201.

It is an arithmetic number, because the mean of its divisors is an integer number (4197901750).

Almost surely, 2^22668669423 is an apocalyptic number.

22668669423 is a deficient number, since it is larger than the sum of its proper divisors (10914544577).

22668669423 is an equidigital number, since it uses as much as digits as its factorization.

22668669423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839580358 (or 839580352 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 22668669423 in words is "twenty-two billion, six hundred sixty-eight million, six hundred sixty-nine thousand, four hundred twenty-three".