34345221 has 4 divisors (see below), whose sum is σ = 45793632. Its totient is φ = 22896812.

The previous prime is 34345183. The next prime is 34345229. The reversal of 34345221 is 12254343.

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 not a de Polignac number, because 34345221 - 2¹¹ = 34343173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34345191 and 34345200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34345229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5724201 + ... + 5724206.

It is an arithmetic number, because the mean of its divisors is an integer number (11448408).

Almost surely, 2^34345221 is an apocalyptic number.

It is an amenable number.

34345221 is a deficient number, since it is larger than the sum of its proper divisors (11448411).

34345221 is a wasteful number, since it uses less digits than its factorization.

34345221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448410.

The product of its digits is 2880, while the sum is 24.

The square root of 34345221 is about 5860.4795878836. The cubic root of 34345221 is about 325.0539429199.

Adding to 34345221 its reverse (12254343), we get a palindrome (46599564).

The spelling of 34345221 in words is "thirty-four million, three hundred forty-five thousand, two hundred twenty-one".