18228596 has 12 divisors (see below), whose sum is σ = 32014752. Its totient is φ = 9081528.

The previous prime is 18228593. The next prime is 18228601. The reversal of 18228596 is 69582281.

18228596 = T₂₀₈ + T₂₀₉ + ... + T₄₉₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18228593) 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 in 3 ways as a sum of consecutive naturals, for example, 6920 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (2667896).

Almost surely, 2^18228596 is an apocalyptic number.

It is an amenable number.

18228596 is a deficient number, since it is larger than the sum of its proper divisors (13786156).

18228596 is a wasteful number, since it uses less digits than its factorization.

18228596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16390 (or 16388 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 18228596 is about 4269.4959889898. The cubic root of 18228596 is about 263.1789035606.

The spelling of 18228596 in words is "eighteen million, two hundred twenty-eight thousand, five hundred ninety-six".