22688641623 has 8 divisors (see below), whose sum is σ = 30989364336. Its totient is φ = 14756840000.

The previous prime is 22688641517. The next prime is 22688641631. The reversal of 22688641623 is 32614688622.

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

It is a cyclic number.

It is not a de Polignac number, because 22688641623 - 2³⁴ = 5508772439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22688641693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92230128 + ... + 92230373.

It is an arithmetic number, because the mean of its divisors is an integer number (3873670542).

Almost surely, 2^22688641623 is an apocalyptic number.

22688641623 is a deficient number, since it is larger than the sum of its proper divisors (8300722713).

22688641623 is a wasteful number, since it uses less digits than its factorization.

22688641623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184460545.

The product of its digits is 1327104, while the sum is 48.

The spelling of 22688641623 in words is "twenty-two billion, six hundred eighty-eight million, six hundred forty-one thousand, six hundred twenty-three".