18852243 has 4 divisors (see below), whose sum is σ = 25136328. Its totient is φ = 12568160.

The previous prime is 18852221. The next prime is 18852271. The reversal of 18852243 is 34225881.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18852243 - 2⁶ = 18852179 is a prime.

It is a super-2 number, since 2×18852243² = 710814132262098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18852283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3142038 + ... + 3142043.

It is an arithmetic number, because the mean of its divisors is an integer number (6284082).

Almost surely, 2^18852243 is an apocalyptic number.

18852243 is a deficient number, since it is larger than the sum of its proper divisors (6284085).

18852243 is an equidigital number, since it uses as much as digits as its factorization.

18852243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284084.

The product of its digits is 15360, while the sum is 33.

The square root of 18852243 is about 4341.9169729510. The cubic root of 18852243 is about 266.1466534479.

The spelling of 18852243 in words is "eighteen million, eight hundred fifty-two thousand, two hundred forty-three".