108228805 has 4 divisors (see below), whose sum is σ = 129874572. Its totient is φ = 86583040.

The previous prime is 108228787. The next prime is 108228853. The reversal of 108228805 is 508822801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508822801 = 17 ⋅29930753.

It can be written as a sum of positive squares in 2 ways, for example, as 11737476 + 96491329 = 3426^2 + 9823^2 .

It is not a de Polignac number, because 108228805 - 2⁷ = 108228677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10822876 + ... + 10822885.

It is an arithmetic number, because the mean of its divisors is an integer number (32468643).

Almost surely, 2^108228805 is an apocalyptic number.

It is an amenable number.

108228805 is a deficient number, since it is larger than the sum of its proper divisors (21645767).

108228805 is an equidigital number, since it uses as much as digits as its factorization.

108228805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21645766.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 108228805 is about 10403.3074067817. The cubic root of 108228805 is about 476.5563795792.

The spelling of 108228805 in words is "one hundred eight million, two hundred twenty-eight thousand, eight hundred five".