22722159979 has 8 divisors (see below), whose sum is σ = 22796348400. Its totient is φ = 22648005600.

The previous prime is 22722159973. The next prime is 22722160009. The reversal of 22722159979 is 97995122722.

It is a happy number.

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 22722159979 - 2²⁵ = 22688605547 is a prime.

It is a super-2 number, since 2×22722159979² (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 (22722159973) 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, 2427849 + ... + 2437189.

It is an arithmetic number, because the mean of its divisors is an integer number (2849543550).

Almost surely, 2^22722159979 is an apocalyptic number.

22722159979 is a deficient number, since it is larger than the sum of its proper divisors (74188421).

22722159979 is an equidigital number, since it uses as much as digits as its factorization.

22722159979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17021.

The product of its digits is 2857680, while the sum is 55.

The spelling of 22722159979 in words is "twenty-two billion, seven hundred twenty-two million, one hundred fifty-nine thousand, nine hundred seventy-nine".