18242888 has 32 divisors (see below), whose sum is σ = 36223200. Its totient is φ = 8589312.

The previous prime is 18242881. The next prime is 18242891. The reversal of 18242888 is 88824281.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18242881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38831 + ... + 39297.

It is an arithmetic number, because the mean of its divisors is an integer number (1131975).

Almost surely, 2^18242888 is an apocalyptic number.

It is an amenable number.

18242888 is a deficient number, since it is larger than the sum of its proper divisors (17980312).

18242888 is a wasteful number, since it uses less digits than its factorization.

18242888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 745 counting only the distinct ones).

The product of its digits is 65536, while the sum is 41.

The square root of 18242888 is about 4271.1693949081. The cubic root of 18242888 is about 263.2476667701.

The spelling of 18242888 in words is "eighteen million, two hundred forty-two thousand, eight hundred eighty-eight".