34307221 has 8 divisors (see below), whose sum is σ = 37031904. Its totient is φ = 31594800.

The previous prime is 34307219. The next prime is 34307233. The reversal of 34307221 is 12270343.

34307221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34307221 - 2¹ = 34307219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34307192 and 34307201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34307291) 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 7 ways as a sum of consecutive naturals, for example, 3246 + ... + 8896.

It is an arithmetic number, because the mean of its divisors is an integer number (4628988).

Almost surely, 2^34307221 is an apocalyptic number.

It is an amenable number.

34307221 is a deficient number, since it is larger than the sum of its proper divisors (2724683).

34307221 is a wasteful number, since it uses less digits than its factorization.

34307221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 34307221 is about 5857.2366351378. The cubic root of 34307221 is about 324.9340173741.

Adding to 34307221 its reverse (12270343), we get a palindrome (46577564).

The spelling of 34307221 in words is "thirty-four million, three hundred seven thousand, two hundred twenty-one".