18422532 has 24 divisors (see below), whose sum is σ = 47762400. Its totient is φ = 6140808.

The previous prime is 18422519. The next prime is 18422557. The reversal of 18422532 is 23522481.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 18422496 and 18422505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85182 + ... + 85397.

It is an arithmetic number, because the mean of its divisors is an integer number (1990100).

Almost surely, 2^18422532 is an apocalyptic number.

18422532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18422532 is an abundant number, since it is smaller than the sum of its proper divisors (29339868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18422532 is a wasteful number, since it uses less digits than its factorization.

18422532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170592 (or 170584 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 18422532 is about 4292.1477141403. The cubic root of 18422532 is about 264.1089426407.

The spelling of 18422532 in words is "eighteen million, four hundred twenty-two thousand, five hundred thirty-two".