22679818721 has 8 divisors (see below), whose sum is σ = 26028245760. Its totient is φ = 19358504928.

The previous prime is 22679818699. The next prime is 22679818769. The reversal of 22679818721 is 12781897622.

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

It is not a de Polignac number, because 22679818721 - 2¹⁰ = 22679817697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22679818781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6776516 + ... + 6779861.

It is an arithmetic number, because the mean of its divisors is an integer number (3253530720).

Almost surely, 2^22679818721 is an apocalyptic number.

It is an amenable number.

22679818721 is a deficient number, since it is larger than the sum of its proper divisors (3348427039).

22679818721 is a wasteful number, since it uses less digits than its factorization.

22679818721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556623.

The product of its digits is 1354752, while the sum is 53.

The spelling of 22679818721 in words is "twenty-two billion, six hundred seventy-nine million, eight hundred eighteen thousand, seven hundred twenty-one".