22047720686873 has 32 divisors (see below), whose sum is σ = 25725802314240. Its totient is φ = 18503252651520.

The previous prime is 22047720686857. The next prime is 22047720686941. The reversal of 22047720686873 is 37868602774022.

It is not a de Polignac number, because 22047720686873 - 2⁴ = 22047720686857 is a prime.

It is a super-2 number, since 2×22047720686873² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22047720685873) 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 31 ways as a sum of consecutive naturals, for example, 354896108 + ... + 354958226.

It is an arithmetic number, because the mean of its divisors is an integer number (803931322320).

Almost surely, 2^{22047720686873} is an apocalyptic number.

It is an amenable number.

22047720686873 is a deficient number, since it is larger than the sum of its proper divisors (3678081627367).

22047720686873 is a wasteful number, since it uses less digits than its factorization.

22047720686873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64137.

The product of its (nonzero) digits is 75866112, while the sum is 62.

The spelling of 22047720686873 in words is "twenty-two trillion, forty-seven billion, seven hundred twenty million, six hundred eighty-six thousand, eight hundred seventy-three".