18182282 has 16 divisors (see below), whose sum is σ = 30134592. Its totient is φ = 8184000.

The previous prime is 18182257. The next prime is 18182291. The reversal of 18182282 is 28228181.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10844 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (1883412).

Almost surely, 2^18182282 is an apocalyptic number.

18182282 is a deficient number, since it is larger than the sum of its proper divisors (11952310).

18182282 is a wasteful number, since it uses less digits than its factorization.

18182282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23293.

The product of its digits is 4096, while the sum is 32.

The square root of 18182282 is about 4264.0687142681. The cubic root of 18182282 is about 262.9558253959.

The spelling of 18182282 in words is "eighteen million, one hundred eighty-two thousand, two hundred eighty-two".