22282871618 has 54 divisors (see below), whose sum is σ = 41349629529. Its totient is φ = 8977915968.

The previous prime is 22282871609. The next prime is 22282871647. The reversal of 22282871618 is 81617828222.

It can be written as a sum of positive squares in 2 ways, for example, as 20393839249 + 1889032369 = 142807^2 + 43463^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105553.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 25121171 + ... + 25122057.

Almost surely, 2^22282871618 is an apocalyptic number.

22282871618 is a deficient number, since it is larger than the sum of its proper divisors (19066757911).

22282871618 is an frugal number, since it uses more digits than its factorization.

22282871618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 913 counting only the distinct ones).

The product of its digits is 344064, while the sum is 47.

The spelling of 22282871618 in words is "twenty-two billion, two hundred eighty-two million, eight hundred seventy-one thousand, six hundred eighteen".