108225009 has 18 divisors (see below), whose sum is σ = 166065510. Its totient is φ = 67904256.

The previous prime is 108225001. The next prime is 108225017. The reversal of 108225009 is 900522801.

It is an interprime number because it is at equal distance from previous prime (108225001) and next prime (108225017).

It can be written as a sum of positive squares in 3 ways, for example, as 74909025 + 33315984 = 8655^2 + 5772^2 .

It is not a de Polignac number, because 108225009 - 2³ = 108225001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108225001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18204 + ... + 23405.

Almost surely, 2^108225009 is an apocalyptic number.

It is an amenable number.

108225009 is a deficient number, since it is larger than the sum of its proper divisors (57840501).

108225009 is a wasteful number, since it uses less digits than its factorization.

108225009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41649 (or 41629 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 108225009 is about 10403.1249632022. The cubic root of 108225009 is about 476.5508079597.

The spelling of 108225009 in words is "one hundred eight million, two hundred twenty-five thousand, nine".