18422524 has 12 divisors (see below), whose sum is σ = 32291784. Its totient is φ = 9196304.

The previous prime is 18422519. The next prime is 18422557. The reversal of 18422524 is 42522481.

It is a junction number, because it is equal to n+sod(n) for n = 18422492 and 18422501.

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 3 ways as a sum of consecutive naturals, for example, 694 + ... + 6109.

It is an arithmetic number, because the mean of its divisors is an integer number (2690982).

Almost surely, 2^18422524 is an apocalyptic number.

It is an amenable number.

18422524 is a deficient number, since it is larger than the sum of its proper divisors (13869260).

18422524 is a wasteful number, since it uses less digits than its factorization.

18422524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7482 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 18422524 is about 4292.1467822058. The cubic root of 18422524 is about 264.1089044108.

The spelling of 18422524 in words is "eighteen million, four hundred twenty-two thousand, five hundred twenty-four".