108434221 has 8 divisors (see below), whose sum is σ = 124001280. Its totient is φ = 92886288.

The previous prime is 108434191. The next prime is 108434233. The reversal of 108434221 is 122434801.

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

It is a cyclic number.

It is not a de Polignac number, because 108434221 - 2⁵ = 108434189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108434021) 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, 10740 + ... + 18226.

It is an arithmetic number, because the mean of its divisors is an integer number (15500160).

Almost surely, 2^108434221 is an apocalyptic number.

It is an amenable number.

108434221 is a deficient number, since it is larger than the sum of its proper divisors (15567059).

108434221 is an equidigital number, since it uses as much as digits as its factorization.

108434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 108434221 is about 10413.1753562494. The cubic root of 108434221 is about 476.8576870360.

The spelling of 108434221 in words is "one hundred eight million, four hundred thirty-four thousand, two hundred twenty-one".