22891082081 has 8 divisors (see below), whose sum is σ = 26179581120. Its totient is φ = 19607169168.

The previous prime is 22891082069. The next prime is 22891082087. The reversal of 22891082081 is 18028019822.

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 22891082081 - 2³⁰ = 21817340257 is a prime.

It is a super-2 number, since 2×22891082081² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22891082087) 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, 1135826 + ... + 1155803.

It is an arithmetic number, because the mean of its divisors is an integer number (3272447640).

Almost surely, 2^22891082081 is an apocalyptic number.

It is an amenable number.

22891082081 is a deficient number, since it is larger than the sum of its proper divisors (3288499039).

22891082081 is a wasteful number, since it uses less digits than its factorization.

22891082081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293063.

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 22891082081 in words is "twenty-two billion, eight hundred ninety-one million, eighty-two thousand, eighty-one".