18822080 has 56 divisors (see below), whose sum is σ = 45262800. Its totient is φ = 7454720.

The previous prime is 18822079. The next prime is 18822091. The reversal of 18822080 is 8022881.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 41696 + ... + 42144.

Almost surely, 2^18822080 is an apocalyptic number.

18822080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18822080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22631400).

18822080 is an abundant number, since it is smaller than the sum of its proper divisors (26440720).

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

18822080 is a wasteful number, since it uses less digits than its factorization.

18822080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 18822080 is about 4338.4421167050. The cubic root of 18822080 is about 266.0046355685.

The spelling of 18822080 in words is "eighteen million, eight hundred twenty-two thousand, eighty".