18285322 has 16 divisors (see below), whose sum is σ = 31223232. Its totient is φ = 7949920.

The previous prime is 18285313. The next prime is 18285329. The reversal of 18285322 is 22358281.

It is not an unprimeable number, because it can be changed into a prime (18285329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17563 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (1951452).

Almost surely, 2^18285322 is an apocalyptic number.

18285322 is a deficient number, since it is larger than the sum of its proper divisors (12937910).

18285322 is a wasteful number, since it uses less digits than its factorization.

18285322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36173.

The product of its digits is 7680, while the sum is 31.

The square root of 18285322 is about 4276.1340016421. The cubic root of 18285322 is about 263.4516184229.

The spelling of 18285322 in words is "eighteen million, two hundred eighty-five thousand, three hundred twenty-two".