108906225 has 12 divisors (see below), whose sum is σ = 180058416. Its totient is φ = 58083280.

The previous prime is 108906221. The next prime is 108906227. The reversal of 108906225 is 522609801.

It is not a de Polignac number, because 108906225 - 2² = 108906221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108906221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725967 + ... + 726116.

It is an arithmetic number, because the mean of its divisors is an integer number (15004868).

Almost surely, 2^108906225 is an apocalyptic number.

108906225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108906225 is a deficient number, since it is larger than the sum of its proper divisors (71152191).

108906225 is a wasteful number, since it uses less digits than its factorization.

108906225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452096 (or 1452091 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 108906225 is about 10435.8145345728. The cubic root of 108906225 is about 477.5485911280.

The spelling of 108906225 in words is "one hundred eight million, nine hundred six thousand, two hundred twenty-five".