18022532 has 48 divisors (see below), whose sum is σ = 36201984. Its totient is φ = 7776000.

The previous prime is 18022523. The next prime is 18022549. The reversal of 18022532 is 23522081.

It is a junction number, because it is equal to n+sod(n) for n = 18022498 and 18022507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99482 + ... + 99662.

It is an arithmetic number, because the mean of its divisors is an integer number (754208).

Almost surely, 2^18022532 is an apocalyptic number.

It is an amenable number.

18022532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

18022532 is a wasteful number, since it uses less digits than its factorization.

18022532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 18022532 is about 4245.2952783051. The cubic root of 18022532 is about 262.1834466854.

It can be divided in two parts, 1802 and 2532, that added together give a palindrome (4334).

The spelling of 18022532 in words is "eighteen million, twenty-two thousand, five hundred thirty-two".