22638969718 has 8 divisors (see below), whose sum is σ = 35745741720. Its totient is φ = 10723722480.

The previous prime is 22638969701. The next prime is 22638969719. The reversal of 22638969718 is 81796983622.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22638969719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297881143 + ... + 297881218.

It is an arithmetic number, because the mean of its divisors is an integer number (4468217715).

Almost surely, 2^22638969718 is an apocalyptic number.

22638969718 is a deficient number, since it is larger than the sum of its proper divisors (13106772002).

22638969718 is a wasteful number, since it uses less digits than its factorization.

22638969718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595762382.

The product of its digits is 15676416, while the sum is 61.

The spelling of 22638969718 in words is "twenty-two billion, six hundred thirty-eight million, nine hundred sixty-nine thousand, seven hundred eighteen".