18022739246 has 8 divisors (see below), whose sum is σ = 27693477504. Its totient is φ = 8791580080.

The previous prime is 18022739221. The next prime is 18022739269. The reversal of 18022739246 is 64293722081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18022739197 and 18022739206.

It is a congruent number.

It is an unprimeable number.

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, 109894670 + ... + 109894833.

It is an arithmetic number, because the mean of its divisors is an integer number (3461684688).

Almost surely, 2^18022739246 is an apocalyptic number.

18022739246 is a deficient number, since it is larger than the sum of its proper divisors (9670738258).

18022739246 is a wasteful number, since it uses less digits than its factorization.

18022739246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219789546.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 18022739246 in words is "eighteen billion, twenty-two million, seven hundred thirty-nine thousand, two hundred forty-six".