22638525823 has 8 divisors (see below), whose sum is σ = 22686299136. Its totient is φ = 22590804600.

The previous prime is 22638525803. The next prime is 22638525907. The reversal of 22638525823 is 32852583622.

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 22638525823 - 2²¹ = 22636428671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22638525803) 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, 927190 + ... + 951292.

It is an arithmetic number, because the mean of its divisors is an integer number (2835787392).

Almost surely, 2^22638525823 is an apocalyptic number.

22638525823 is a deficient number, since it is larger than the sum of its proper divisors (47773313).

22638525823 is a wasteful number, since it uses less digits than its factorization.

22638525823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26045.

The product of its digits is 1382400, while the sum is 46.

The spelling of 22638525823 in words is "twenty-two billion, six hundred thirty-eight million, five hundred twenty-five thousand, eight hundred twenty-three".