22105705516 has 24 divisors (see below), whose sum is σ = 38767073184. Its totient is φ = 11029424640.

The previous prime is 22105705469. The next prime is 22105705541. The reversal of 22105705516 is 61550750122.

It is a super-2 number, since 2×22105705516² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099681 + ... + 6103303.

It is an arithmetic number, because the mean of its divisors is an integer number (1615294716).

Almost surely, 2^22105705516 is an apocalyptic number.

It is an amenable number.

22105705516 is a deficient number, since it is larger than the sum of its proper divisors (16661367668).

22105705516 is a wasteful number, since it uses less digits than its factorization.

22105705516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441 (or 6439 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 22105705516 in words is "twenty-two billion, one hundred five million, seven hundred five thousand, five hundred sixteen".