18132122 has 8 divisors (see below), whose sum is σ = 27581472. Its totient is φ = 8938300.

The previous prime is 18132089. The next prime is 18132131. The reversal of 18132122 is 22123181.

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

It is a junction number, because it is equal to n+sod(n) for n = 18132094 and 18132103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63704 + ... + 63987.

It is an arithmetic number, because the mean of its divisors is an integer number (3447684).

Almost surely, 2^18132122 is an apocalyptic number.

18132122 is a deficient number, since it is larger than the sum of its proper divisors (9449350).

18132122 is a wasteful number, since it uses less digits than its factorization.

18132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127764.

The product of its digits is 192, while the sum is 20.

The square root of 18132122 is about 4258.1829458115. The cubic root of 18132122 is about 262.7137946850.

The spelling of 18132122 in words is "eighteen million, one hundred thirty-two thousand, one hundred twenty-two".