18110122 has 4 divisors (see below), whose sum is σ = 27165186. Its totient is φ = 9055060.

The previous prime is 18110119. The next prime is 18110129. The reversal of 18110122 is 22101181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22101181 = 1373 ⋅16097.

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 6145441 = 3459^2 + 2479^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 18110096 and 18110105.

It is not an unprimeable number, because it can be changed into a prime (18110129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4527529 + ... + 4527532.

Almost surely, 2^18110122 is an apocalyptic number.

18110122 is a deficient number, since it is larger than the sum of its proper divisors (9055064).

18110122 is an equidigital number, since it uses as much as digits as its factorization.

18110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055063.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 18110122 is about 4255.5989002724. The cubic root of 18110122 is about 262.6075000367.

The spelling of 18110122 in words is "eighteen million, one hundred ten thousand, one hundred twenty-two".