22806447805 has 8 divisors (see below), whose sum is σ = 27450421344. Its totient is φ = 18190035600.

The previous prime is 22806447799. The next prime is 22806447823. The reversal of 22806447805 is 50874460822.

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

It is not a de Polignac number, because 22806447805 - 2¹¹ = 22806445757 is a prime.

It is a super-2 number, since 2×22806447805² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6888511 + ... + 6891820.

It is an arithmetic number, because the mean of its divisors is an integer number (3431302668).

Almost surely, 2^22806447805 is an apocalyptic number.

It is an amenable number.

22806447805 is a deficient number, since it is larger than the sum of its proper divisors (4643973539).

22806447805 is a wasteful number, since it uses less digits than its factorization.

22806447805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13780667.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 22806447805 in words is "twenty-two billion, eight hundred six million, four hundred forty-seven thousand, eight hundred five".