34189221 has 16 divisors (see below), whose sum is σ = 51075648. Its totient is φ = 20160000.

The previous prime is 34189213. The next prime is 34189223. The reversal of 34189221 is 12298143.

34189221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34189221 - 2³ = 34189213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34189223) 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 15 ways as a sum of consecutive naturals, for example, 12780 + ... + 15221.

It is an arithmetic number, because the mean of its divisors is an integer number (3192228).

Almost surely, 2^34189221 is an apocalyptic number.

It is an amenable number.

34189221 is a deficient number, since it is larger than the sum of its proper divisors (16886427).

34189221 is a wasteful number, since it uses less digits than its factorization.

34189221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28052.

The product of its digits is 3456, while the sum is 30.

The square root of 34189221 is about 5847.1549492039. The cubic root of 34189221 is about 324.5610516001.

The spelling of 34189221 in words is "thirty-four million, one hundred eighty-nine thousand, two hundred twenty-one".