18480422 has 8 divisors (see below), whose sum is σ = 28396872. Its totient is φ = 9014800.

The previous prime is 18480421. The next prime is 18480443. The reversal of 18480422 is 22408481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18480421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112604 + ... + 112767.

It is an arithmetic number, because the mean of its divisors is an integer number (3549609).

Almost surely, 2^18480422 is an apocalyptic number.

18480422 is a deficient number, since it is larger than the sum of its proper divisors (9916450).

18480422 is a wasteful number, since it uses less digits than its factorization.

18480422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225414.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 18480422 is about 4298.8861348028. The cubic root of 18480422 is about 264.3852940828.

The spelling of 18480422 in words is "eighteen million, four hundred eighty thousand, four hundred twenty-two".