18452122 has 16 divisors (see below), whose sum is σ = 30614472. Its totient is φ = 8285760.

The previous prime is 18452113. The next prime is 18452129. The reversal of 18452122 is 22125481.

It can be written as a sum of positive squares in 4 ways, for example, as 17547721 + 904401 = 4189^2 + 951^2 .

It is not an unprimeable number, because it can be changed into a prime (18452129) 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, 8629 + ... + 10552.

Almost surely, 2^18452122 is an apocalyptic number.

18452122 is a deficient number, since it is larger than the sum of its proper divisors (12162350).

18452122 is a wasteful number, since it uses less digits than its factorization.

18452122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19233.

The product of its digits is 1280, while the sum is 25.

The square root of 18452122 is about 4295.5933233955. The cubic root of 18452122 is about 264.2502696352.

The spelling of 18452122 in words is "eighteen million, four hundred fifty-two thousand, one hundred twenty-two".