18222853812339 has 64 divisors (see below), whose sum is σ = 27941154508800. Its totient is φ = 10461536601600.

The previous prime is 18222853812329. The next prime is 18222853812341. The reversal of 18222853812339 is 93321835822281.

It is not a de Polignac number, because 18222853812339 - 2¹⁷ = 18222853681267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18222853812329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22307422 + ... + 23109884.

It is an arithmetic number, because the mean of its divisors is an integer number (436580539200).

Almost surely, 2^{18222853812339} is an apocalyptic number.

18222853812339 is a deficient number, since it is larger than the sum of its proper divisors (9718300696461).

18222853812339 is a wasteful number, since it uses less digits than its factorization.

18222853812339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802956.

The product of its digits is 9953280, while the sum is 57.

The spelling of 18222853812339 in words is "eighteen trillion, two hundred twenty-two billion, eight hundred fifty-three million, eight hundred twelve thousand, three hundred thirty-nine".