18824230 has 16 divisors (see below), whose sum is σ = 34362144. Its totient is φ = 7423360.

The previous prime is 18824209. The next prime is 18824233. The reversal of 18824230 is 3242881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18824233) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 12547 + ... + 13966.

It is an arithmetic number, because the mean of its divisors is an integer number (2147634).

Almost surely, 2^18824230 is an apocalyptic number.

18824230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18824230 is a deficient number, since it is larger than the sum of its proper divisors (15537914).

18824230 is a wasteful number, since it uses less digits than its factorization.

18824230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26591.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 18824230 is about 4338.6898944267. The cubic root of 18824230 is about 266.0147635351.

The spelling of 18824230 in words is "eighteen million, eight hundred twenty-four thousand, two hundred thirty".