34103221 has 4 divisors (see below), whose sum is σ = 34746732. Its totient is φ = 33459712.

The previous prime is 34103203. The next prime is 34103243. The reversal of 34103221 is 12230143.

It is a happy number.

34103221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12230143 = 157 ⋅77899.

It can be written as a sum of positive squares in 2 ways, for example, as 20376196 + 13727025 = 4514^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 34103221 - 2⁷ = 34103093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34103195 and 34103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34103281) 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 3 ways as a sum of consecutive naturals, for example, 321676 + ... + 321781.

It is an arithmetic number, because the mean of its divisors is an integer number (8686683).

Almost surely, 2^34103221 is an apocalyptic number.

It is an amenable number.

34103221 is a deficient number, since it is larger than the sum of its proper divisors (643511).

34103221 is an equidigital number, since it uses as much as digits as its factorization.

34103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643510.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 34103221 is about 5839.7963149411. The cubic root of 34103221 is about 324.2886881086.

Adding to 34103221 its reverse (12230143), we get a palindrome (46333364).

The spelling of 34103221 in words is "thirty-four million, one hundred three thousand, two hundred twenty-one".