18056201222 has 8 divisors (see below), whose sum is σ = 27116586000. Its totient is φ = 9017339224.

The previous prime is 18056201197. The next prime is 18056201227. The reversal of 18056201222 is 22210265081.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18056201227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5378597 + ... + 5381952.

It is an arithmetic number, because the mean of its divisors is an integer number (3389573250).

Almost surely, 2^18056201222 is an apocalyptic number.

18056201222 is a deficient number, since it is larger than the sum of its proper divisors (9060384778).

18056201222 is a wasteful number, since it uses less digits than its factorization.

18056201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10761390.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 18056201222 in words is "eighteen billion, fifty-six million, two hundred one thousand, two hundred twenty-two".