18222320333 has 16 divisors (see below), whose sum is σ = 21236367360. Its totient is φ = 15312435696.

The previous prime is 18222320327. The next prime is 18222320393. The reversal of 18222320333 is 33302322281.

It is a cyclic number.

It is not a de Polignac number, because 18222320333 - 2¹⁰ = 18222319309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18222320296 and 18222320305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18222320323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91460 + ... + 211682.

It is an arithmetic number, because the mean of its divisors is an integer number (1327272960).

Almost surely, 2^18222320333 is an apocalyptic number.

It is an amenable number.

18222320333 is a deficient number, since it is larger than the sum of its proper divisors (3014047027).

18222320333 is a wasteful number, since it uses less digits than its factorization.

18222320333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120656.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 18222320333 in words is "eighteen billion, two hundred twenty-two million, three hundred twenty thousand, three hundred thirty-three".