18082252 has 6 divisors (see below), whose sum is σ = 31643948. Its totient is φ = 9041124.

The previous prime is 18082249. The next prime is 18082303. The reversal of 18082252 is 25228081.

It is a self number, because there is not a number n which added to its sum of digits gives 18082252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260278 + ... + 2260285.

Almost surely, 2^18082252 is an apocalyptic number.

It is an amenable number.

18082252 is a deficient number, since it is larger than the sum of its proper divisors (13561696).

18082252 is a wasteful number, since it uses less digits than its factorization.

18082252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520567 (or 4520565 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 18082252 is about 4252.3231297727. The cubic root of 18082252 is about 262.4727203700.

The spelling of 18082252 in words is "eighteen million, eighty-two thousand, two hundred fifty-two".