18226108 has 24 divisors (see below), whose sum is σ = 34095600. Its totient is φ = 8494848.

The previous prime is 18226093. The next prime is 18226121. The reversal of 18226108 is 80162281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6183 + ... + 8641.

It is an arithmetic number, because the mean of its divisors is an integer number (1420650).

Almost surely, 2^18226108 is an apocalyptic number.

It is an amenable number.

18226108 is a deficient number, since it is larger than the sum of its proper divisors (15869492).

18226108 is a wasteful number, since it uses less digits than its factorization.

18226108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18226108 is about 4269.2046097605. The cubic root of 18226108 is about 263.1669293544.

Adding to 18226108 its reverse (80162281), we get a palindrome (98388389).

The spelling of 18226108 in words is "eighteen million, two hundred twenty-six thousand, one hundred eight".