22117961752 has 16 divisors (see below), whose sum is σ = 41476303440. Its totient is φ = 11057614176.

The previous prime is 22117961717. The next prime is 22117961759. The reversal of 22117961752 is 25716971122.

It is a junction number, because it is equal to n+sod(n) for n = 22117961699 and 22117961708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22117961759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100348 + ... + 233035.

It is an arithmetic number, because the mean of its divisors is an integer number (2592268965).

Almost surely, 2^22117961752 is an apocalyptic number.

It is an amenable number.

22117961752 is a deficient number, since it is larger than the sum of its proper divisors (19358341688).

22117961752 is a wasteful number, since it uses less digits than its factorization.

22117961752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341682 (or 341678 counting only the distinct ones).

The product of its digits is 105840, while the sum is 43.

The spelling of 22117961752 in words is "twenty-two billion, one hundred seventeen million, nine hundred sixty-one thousand, seven hundred fifty-two".