108226820 has 24 divisors (see below), whose sum is σ = 244759704. Its totient is φ = 39960576.

The previous prime is 108226819. The next prime is 108226823. The reversal of 108226820 is 28622801.

It can be written as a sum of positive squares in 4 ways, for example, as 21215236 + 87011584 = 4606^2 + 9328^2 .

It is not an unprimeable number, because it can be changed into a prime (108226823) 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, 207869 + ... + 208388.

It is an arithmetic number, because the mean of its divisors is an integer number (10198321).

Almost surely, 2^108226820 is an apocalyptic number.

108226820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108226820 is an abundant number, since it is smaller than the sum of its proper divisors (136532884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108226820 is a wasteful number, since it uses less digits than its factorization.

108226820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416279 (or 416277 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 108226820 is about 10403.2120039918. The cubic root of 108226820 is about 476.5534660905.

The spelling of 108226820 in words is "one hundred eight million, two hundred twenty-six thousand, eight hundred twenty".