108221801 has 4 divisors (see below), whose sum is σ = 108442704. Its totient is φ = 108000900.

The previous prime is 108221783. The next prime is 108221857. The reversal of 108221801 is 108122801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108221801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108221501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109715 + ... + 110696.

It is an arithmetic number, because the mean of its divisors is an integer number (27110676).

Almost surely, 2^108221801 is an apocalyptic number.

It is an amenable number.

108221801 is a deficient number, since it is larger than the sum of its proper divisors (220903).

108221801 is an equidigital number, since it uses as much as digits as its factorization.

108221801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220902.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 108221801 is about 10402.9707776192. The cubic root of 108221801 is about 476.5460992819.

The spelling of 108221801 in words is "one hundred eight million, two hundred twenty-one thousand, eight hundred one".