18222000202 has 8 divisors (see below), whose sum is σ = 31237714656. Its totient is φ = 7809428652.

The previous prime is 18222000191. The next prime is 18222000233. The reversal of 18222000202 is 20200022281.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18222000202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650785708 + ... + 650785735.

It is an arithmetic number, because the mean of its divisors is an integer number (3904714332).

Almost surely, 2^18222000202 is an apocalyptic number.

18222000202 is a deficient number, since it is larger than the sum of its proper divisors (13015714454).

18222000202 is a wasteful number, since it uses less digits than its factorization.

18222000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301571452.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 18222000202 its reverse (20200022281), we get a palindrome (38422022483).

The spelling of 18222000202 in words is "eighteen billion, two hundred twenty-two million, two hundred two", and thus it is an aban number.