18282201 has 16 divisors (see below), whose sum is σ = 28452864. Its totient is φ = 10224144.

The previous prime is 18282197. The next prime is 18282203. The reversal of 18282201 is 10228281.

It is not a de Polignac number, because 18282201 - 2² = 18282197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18282203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8275 + ... + 10248.

It is an arithmetic number, because the mean of its divisors is an integer number (1778304).

Almost surely, 2^18282201 is an apocalyptic number.

It is an amenable number.

18282201 is a deficient number, since it is larger than the sum of its proper divisors (10170663).

18282201 is a wasteful number, since it uses less digits than its factorization.

18282201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 18282201 is about 4275.7690536323. The cubic root of 18282201 is about 263.4366286352.

The spelling of 18282201 in words is "eighteen million, two hundred eighty-two thousand, two hundred one".