34106221 has 4 divisors (see below), whose sum is σ = 34132000. Its totient is φ = 34080444.

The previous prime is 34106207. The next prime is 34106227. The reversal of 34106221 is 12260143.

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-34106221 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 (34106227) 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, 10791 + ... + 13588.

It is an arithmetic number, because the mean of its divisors is an integer number (8533000).

Almost surely, 2^34106221 is an apocalyptic number.

It is an amenable number.

34106221 is a deficient number, since it is larger than the sum of its proper divisors (25779).

34106221 is a wasteful number, since it uses less digits than its factorization.

34106221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25778.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 34106221 is about 5840.0531675662. The cubic root of 34106221 is about 324.2981968638.

Adding to 34106221 its reverse (12260143), we get a palindrome (46366364).

The spelling of 34106221 in words is "thirty-four million, one hundred six thousand, two hundred twenty-one".