18096228 has 36 divisors (see below), whose sum is σ = 48435660. Its totient is φ = 5677056.

The previous prime is 18096217. The next prime is 18096229. The reversal of 18096228 is 82269081.

It can be written as a sum of positive squares in 2 ways, for example, as 11985444 + 6110784 = 3462^2 + 2472^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 18096192 and 18096201.

It is not an unprimeable number, because it can be changed into a prime (18096229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14173 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (1345435).

Almost surely, 2^18096228 is an apocalyptic number.

18096228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18096228 is an abundant number, since it is smaller than the sum of its proper divisors (30339432).

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

18096228 is a wasteful number, since it uses less digits than its factorization.

18096228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29596 (or 29591 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 18096228 is about 4253.9661493717. The cubic root of 18096228 is about 262.5403257775.

The spelling of 18096228 in words is "eighteen million, ninety-six thousand, two hundred twenty-eight".