18000322 has 8 divisors (see below), whose sum is σ = 27032976. Its totient is φ = 8989332.

The previous prime is 18000319. The next prime is 18000343. The reversal of 18000322 is 22300081.

It is a happy number.

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 = 18000296 and 18000305.

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, 3148 + ... + 6775.

It is an arithmetic number, because the mean of its divisors is an integer number (3379122).

Almost surely, 2^18000322 is an apocalyptic number.

18000322 is a deficient number, since it is larger than the sum of its proper divisors (9032654).

18000322 is an equidigital number, since it uses as much as digits as its factorization.

18000322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 18000322 is about 4242.6786350135. The cubic root of 18000322 is about 262.0757021500.

The spelling of 18000322 in words is "eighteen million, three hundred twenty-two", and thus it is an aban number.