22117671842 has 54 divisors (see below), whose sum is σ = 39280673169. Its totient is φ = 9313058160.

The previous prime is 22117671841. The next prime is 22117671847. The reversal of 22117671842 is 24817671122.

It can be written as a sum of positive squares in 2 ways, for example, as 13367753161 + 8749918681 = 115619^2 + 93541^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105161.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22117671842.

It is not an unprimeable number, because it can be changed into a prime (22117671841) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 122196992 + ... + 122197172.

Almost surely, 2^22117671842 is an apocalyptic number.

22117671842 is a deficient number, since it is larger than the sum of its proper divisors (17163001327).

22117671842 is an frugal number, since it uses more digits than its factorization.

22117671842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 273 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The spelling of 22117671842 in words is "twenty-two billion, one hundred seventeen million, six hundred seventy-one thousand, eight hundred forty-two".