108221475 has 24 divisors (see below), whose sum is σ = 185099760. Its totient is φ = 55726720.

The previous prime is 108221471. The next prime is 108221489. The reversal of 108221475 is 574122801.

It is not a de Polignac number, because 108221475 - 2² = 108221471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108221471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22704 + ... + 27053.

It is an arithmetic number, because the mean of its divisors is an integer number (7712490).

Almost surely, 2^108221475 is an apocalyptic number.

108221475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108221475 is a deficient number, since it is larger than the sum of its proper divisors (76878285).

108221475 is a wasteful number, since it uses less digits than its factorization.

108221475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49799 (or 49794 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 108221475 is about 10402.9551090063. The cubic root of 108221475 is about 476.5456207763.

The spelling of 108221475 in words is "one hundred eight million, two hundred twenty-one thousand, four hundred seventy-five".