18822332 has 24 divisors (see below), whose sum is σ = 36005760. Its totient is φ = 8570880.

The previous prime is 18822319. The next prime is 18822337. The reversal of 18822332 is 23322881.

It is a junction number, because it is equal to n+sod(n) for n = 18822295 and 18822304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357 + ... + 6572.

It is an arithmetic number, because the mean of its divisors is an integer number (1500240).

Almost surely, 2^18822332 is an apocalyptic number.

It is an amenable number.

18822332 is a deficient number, since it is larger than the sum of its proper divisors (17183428).

18822332 is a wasteful number, since it uses less digits than its factorization.

18822332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981 (or 8979 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 18822332 is about 4338.4711592910. The cubic root of 18822332 is about 266.0058227003.

The spelling of 18822332 in words is "eighteen million, eight hundred twenty-two thousand, three hundred thirty-two".