34234221 has 16 divisors (see below), whose sum is σ = 53440128. Its totient is φ = 19084800.

The previous prime is 34234177. The next prime is 34234229. The reversal of 34234221 is 12243243.

It is not a de Polignac number, because 34234221 - 2⁶ = 34234157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34234229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19020 + ... + 20741.

It is an arithmetic number, because the mean of its divisors is an integer number (3340008).

Almost surely, 2^34234221 is an apocalyptic number.

It is an amenable number.

34234221 is a deficient number, since it is larger than the sum of its proper divisors (19205907).

34234221 is a wasteful number, since it uses less digits than its factorization.

34234221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39812.

The product of its digits is 1152, while the sum is 21.

The square root of 34234221 is about 5851.0017091093. The cubic root of 34234221 is about 324.7033853897.

Adding to 34234221 its reverse (12243243), we get a palindrome (46477464).

The spelling of 34234221 in words is "thirty-four million, two hundred thirty-four thousand, two hundred twenty-one".