18530322 has 8 divisors (see below), whose sum is σ = 37060656. Its totient is φ = 6176772.

The previous prime is 18530311. The next prime is 18530359. The reversal of 18530322 is 22303581.

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

18530322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18530292 and 18530301.

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, 1544188 + ... + 1544199.

It is an arithmetic number, because the mean of its divisors is an integer number (4632582).

Almost surely, 2^18530322 is an apocalyptic number.

18530322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18530322 is a wasteful number, since it uses less digits than its factorization.

18530322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088392.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 18530322 is about 4304.6860512702. The cubic root of 18530322 is about 264.6230406330.

The spelling of 18530322 in words is "eighteen million, five hundred thirty thousand, three hundred twenty-two".