18336870022204 has 12 divisors (see below), whose sum is σ = 32633412751800. Its totient is φ = 9013037807408.

The previous prime is 18336870022187. The next prime is 18336870022327. The reversal of 18336870022204 is 40222007863381.

It is a super-2 number, since 2×18336870022204² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 38849300659 + ... + 38849301130.

It is an arithmetic number, because the mean of its divisors is an integer number (2719451062650).

Almost surely, 2^{18336870022204} is an apocalyptic number.

It is an amenable number.

18336870022204 is a deficient number, since it is larger than the sum of its proper divisors (14296542729596).

18336870022204 is a wasteful number, since it uses less digits than its factorization.

18336870022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77698601852 (or 77698601850 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

Adding to 18336870022204 its reverse (40222007863381), we get a palindrome (58558877885585).

The spelling of 18336870022204 in words is "eighteen trillion, three hundred thirty-six billion, eight hundred seventy million, twenty-two thousand, two hundred four".