22785026117 has 6 divisors (see below), whose sum is σ = 26505030438. Its totient is φ = 19530022344.

The previous prime is 22785026111. The next prime is 22785026149. The reversal of 22785026117 is 71162058722.

It can be written as a sum of positive squares in only one way, i.e., 21860805316 + 924220801 = 147854^2 + 30401^2 .

It is not a de Polignac number, because 22785026117 - 2⁶ = 22785026053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22785026111) 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 5 ways as a sum of consecutive naturals, for example, 232500218 + ... + 232500315.

It is an arithmetic number, because the mean of its divisors is an integer number (4417505073).

Almost surely, 2^22785026117 is an apocalyptic number.

It is an amenable number.

22785026117 is a deficient number, since it is larger than the sum of its proper divisors (3720004321).

22785026117 is an equidigital number, since it uses as much as digits as its factorization.

22785026117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465000547 (or 465000540 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 22785026117 in words is "twenty-two billion, seven hundred eighty-five million, twenty-six thousand, one hundred seventeen".