18275112 has 128 divisors (see below), whose sum is σ = 55056000. Its totient is φ = 5598720.

The previous prime is 18275107. The next prime is 18275113. The reversal of 18275112 is 21157281.

It is a super-2 number, since 2×18275112² = 667959437225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18275113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250308 + ... + 250380.

It is an arithmetic number, because the mean of its divisors is an integer number (430125).

Almost surely, 2^18275112 is an apocalyptic number.

18275112 is a gapful number since it is divisible by the number (12) 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 18275112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27528000).

18275112 is an abundant number, since it is smaller than the sum of its proper divisors (36780888).

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

18275112 is a wasteful number, since it uses less digits than its factorization.

18275112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 158 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 18275112 is about 4274.9399995789. The cubic root of 18275112 is about 263.4025746813.

The spelling of 18275112 in words is "eighteen million, two hundred seventy-five thousand, one hundred twelve".