108228009 has 8 divisors (see below), whose sum is σ = 151899040. Its totient is φ = 68354496.

The previous prime is 108227983. The next prime is 108228011. The reversal of 108228009 is 900822801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108228009 - 2⁷ = 108227881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108228059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949312 + ... + 949425.

It is an arithmetic number, because the mean of its divisors is an integer number (18987380).

Almost surely, 2^108228009 is an apocalyptic number.

108228009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

108228009 is a deficient number, since it is larger than the sum of its proper divisors (43671031).

108228009 is a wasteful number, since it uses less digits than its factorization.

108228009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898759.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 108228009 is about 10403.2691496471. The cubic root of 108228009 is about 476.5552112525. Note that the first 3 decimals are identical.

The spelling of 108228009 in words is "one hundred eight million, two hundred twenty-eight thousand, nine".