34032221 has 4 divisors (see below), whose sum is σ = 34823712. Its totient is φ = 33240732.

The previous prime is 34032209. The next prime is 34032223. The reversal of 34032221 is 12223043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34032221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34032223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395681 + ... + 395766.

It is an arithmetic number, because the mean of its divisors is an integer number (8705928).

Almost surely, 2^34032221 is an apocalyptic number.

It is an amenable number.

34032221 is a deficient number, since it is larger than the sum of its proper divisors (791491).

34032221 is an equidigital number, since it uses as much as digits as its factorization.

34032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791490.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34032221 is about 5833.7141685208. The cubic root of 34032221 is about 324.0634846133.

Adding to 34032221 its reverse (12223043), we get a palindrome (46255264).

The spelling of 34032221 in words is "thirty-four million, thirty-two thousand, two hundred twenty-one".