22022687979 has 24 divisors (see below), whose sum is σ = 34940655360. Its totient is φ = 13304321712.

The previous prime is 22022687917. The next prime is 22022687983. The reversal of 22022687979 is 97978622022.

It is a happy number.

It is not a de Polignac number, because 22022687979 - 2¹¹ = 22022685931 is a prime.

It is a super-2 number, since 2×22022687979² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022687909) 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 23 ways as a sum of consecutive naturals, for example, 2795799 + ... + 2803664.

It is an arithmetic number, because the mean of its divisors is an integer number (1455860640).

Almost surely, 2^22022687979 is an apocalyptic number.

22022687979 is a deficient number, since it is larger than the sum of its proper divisors (12917967381).

22022687979 is a wasteful number, since it uses less digits than its factorization.

22022687979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599511 (or 5599508 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 22022687979 in words is "twenty-two billion, twenty-two million, six hundred eighty-seven thousand, nine hundred seventy-nine".