22104810881 has 8 divisors (see below), whose sum is σ = 24636941280. Its totient is φ = 19709552448.

The previous prime is 22104810857. The next prime is 22104810929. The reversal of 22104810881 is 18801840122.

It is a happy number.

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 22104810881 - 2⁶ = 22104810817 is a prime.

It is a super-2 number, since 2×22104810881² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22104810811) 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, 34217651 + ... + 34218296.

It is an arithmetic number, because the mean of its divisors is an integer number (3079617660).

Almost surely, 2^22104810881 is an apocalyptic number.

It is an amenable number.

22104810881 is a deficient number, since it is larger than the sum of its proper divisors (2532130399).

22104810881 is a wasteful number, since it uses less digits than its factorization.

22104810881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68435983.

The product of its (nonzero) digits is 8192, while the sum is 35.

The spelling of 22104810881 in words is "twenty-two billion, one hundred four million, eight hundred ten thousand, eight hundred eighty-one".