18479224 has 32 divisors (see below), whose sum is σ = 36028800. Its totient is φ = 8876160.

The previous prime is 18479183. The next prime is 18479231. The reversal of 18479224 is 42297481.

It is a congruent number.

It is an unprimeable number.

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, 66574 + ... + 66850.

It is an arithmetic number, because the mean of its divisors is an integer number (1125900).

Almost surely, 2^18479224 is an apocalyptic number.

It is an amenable number.

18479224 is a deficient number, since it is larger than the sum of its proper divisors (17549576).

18479224 is a wasteful number, since it uses less digits than its factorization.

18479224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 579 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 18479224 is about 4298.7467941250. The cubic root of 18479224 is about 264.3795810021.

The spelling of 18479224 in words is "eighteen million, four hundred seventy-nine thousand, two hundred twenty-four".