22787094881 has 8 divisors (see below), whose sum is σ = 23078785920. Its totient is φ = 22495485168.

The previous prime is 22787094829. The next prime is 22787094907. The reversal of 22787094881 is 18849078722.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22787094881 is a prime.

It is a super-2 number, since 2×22787094881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22787894881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710075 + ... + 741471.

It is an arithmetic number, because the mean of its divisors is an integer number (2884848240).

Almost surely, 2^22787094881 is an apocalyptic number.

It is an amenable number.

22787094881 is a deficient number, since it is larger than the sum of its proper divisors (291691039).

22787094881 is an equidigital number, since it uses as much as digits as its factorization.

22787094881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40663.

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 22787094881 in words is "twenty-two billion, seven hundred eighty-seven million, ninety-four thousand, eight hundred eighty-one".