18229207071 has 4 divisors (see below), whose sum is σ = 24305609432. Its totient is φ = 12152804712.

The previous prime is 18229207019. The next prime is 18229207093. The reversal of 18229207071 is 17070292281.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18229207071 - 2¹¹ = 18229205023 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 (18229207571) 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 3 ways as a sum of consecutive naturals, for example, 3038201176 + ... + 3038201181.

It is an arithmetic number, because the mean of its divisors is an integer number (6076402358).

Almost surely, 2^18229207071 is an apocalyptic number.

18229207071 is a deficient number, since it is larger than the sum of its proper divisors (6076402361).

18229207071 is an equidigital number, since it uses as much as digits as its factorization.

18229207071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076402360.

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 18229207071 in words is "eighteen billion, two hundred twenty-nine million, two hundred seven thousand, seventy-one".