18032282 has 8 divisors (see below), whose sum is σ = 27301536. Its totient is φ = 8931772.

The previous prime is 18032249. The next prime is 18032293. The reversal of 18032282 is 28223081.

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

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, 41918 + ... + 42345.

It is an arithmetic number, because the mean of its divisors is an integer number (3412692).

Almost surely, 2^18032282 is an apocalyptic number.

18032282 is a deficient number, since it is larger than the sum of its proper divisors (9269254).

18032282 is a wasteful number, since it uses less digits than its factorization.

18032282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84372.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 18032282 is about 4246.4434530557. The cubic root of 18032282 is about 262.2307176565.

The spelling of 18032282 in words is "eighteen million, thirty-two thousand, two hundred eighty-two".