18223024 has 20 divisors (see below), whose sum is σ = 36169560. Its totient is φ = 8888960.

The previous prime is 18223019. The next prime is 18223057. The reversal of 18223024 is 42032281.

It is a junction number, because it is equal to n+sod(n) for n = 18222986 and 18223004.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13234 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (1808478).

Almost surely, 2^18223024 is an apocalyptic number.

It is an amenable number.

18223024 is a deficient number, since it is larger than the sum of its proper divisors (17946536).

18223024 is a wasteful number, since it uses less digits than its factorization.

18223024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27828 (or 27822 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 18223024 is about 4268.8434030777. The cubic root of 18223024 is about 263.1520852163.

The spelling of 18223024 in words is "eighteen million, two hundred twenty-three thousand, twenty-four".