18222718801 has 8 divisors (see below), whose sum is σ = 20845564544. Its totient is φ = 15604773120.

The previous prime is 18222718793. The next prime is 18222718831. The reversal of 18222718801 is 10881722281.

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

It is a cyclic number.

It is not a de Polignac number, because 18222718801 - 2³ = 18222718793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18222718831) 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 7 ways as a sum of consecutive naturals, for example, 1217040 + ... + 1231921.

It is an arithmetic number, because the mean of its divisors is an integer number (2605695568).

Almost surely, 2^18222718801 is an apocalyptic number.

It is an amenable number.

18222718801 is a deficient number, since it is larger than the sum of its proper divisors (2622845743).

18222718801 is a wasteful number, since it uses less digits than its factorization.

18222718801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450031.

The product of its (nonzero) digits is 28672, while the sum is 40.

The spelling of 18222718801 in words is "eighteen billion, two hundred twenty-two million, seven hundred eighteen thousand, eight hundred one".