18225326 has 32 divisors (see below), whose sum is σ = 33566400. Its totient is φ = 7243776.

The previous prime is 18225323. The next prime is 18225329. The reversal of 18225326 is 62352281.

It is an interprime number because it is at equal distance from previous prime (18225323) and next prime (18225329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18225323) 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 15 ways as a sum of consecutive naturals, for example, 16850 + ... + 17898.

It is an arithmetic number, because the mean of its divisors is an integer number (1048950).

Almost surely, 2^18225326 is an apocalyptic number.

18225326 is a deficient number, since it is larger than the sum of its proper divisors (15341074).

18225326 is a wasteful number, since it uses less digits than its factorization.

18225326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148.

The product of its digits is 5760, while the sum is 29.

The square root of 18225326 is about 4269.1130226313. The cubic root of 18225326 is about 263.1631655323.

The spelling of 18225326 in words is "eighteen million, two hundred twenty-five thousand, three hundred twenty-six".