34340221 has 8 divisors (see below), whose sum is σ = 37134720. Its totient is φ = 31631808.

The previous prime is 34340197. The next prime is 34340227. The reversal of 34340221 is 12204343.

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 34340221 - 2¹³ = 34332029 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 (34340227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20691 + ... + 22288.

It is an arithmetic number, because the mean of its divisors is an integer number (4641840).

Almost surely, 2^34340221 is an apocalyptic number.

It is an amenable number.

34340221 is a deficient number, since it is larger than the sum of its proper divisors (2794499).

34340221 is a wasteful number, since it uses less digits than its factorization.

34340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43043.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 34340221 is about 5860.0529861086. The cubic root of 34340221 is about 325.0381682984.

Adding to 34340221 its reverse (12204343), we get a palindrome (46544564).

The spelling of 34340221 in words is "thirty-four million, three hundred forty thousand, two hundred twenty-one".