34221305 has 32 divisors (see below), whose sum is σ = 44595360. Its totient is φ = 25159680.

The previous prime is 34221287. The next prime is 34221329. The reversal of 34221305 is 50312243.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 11075584 + 23145721 = 3328^2 + 4811^2 .

It is not a de Polignac number, because 34221305 - 2⁸ = 34221049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468749 + ... + 468821.

It is an arithmetic number, because the mean of its divisors is an integer number (1393605).

Almost surely, 2^34221305 is an apocalyptic number.

It is an amenable number.

34221305 is a deficient number, since it is larger than the sum of its proper divisors (10374055).

34221305 is a wasteful number, since it uses less digits than its factorization.

34221305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 34221305 is about 5849.8978623562. The cubic root of 34221305 is about 324.6625451979.

Adding to 34221305 its reverse (50312243), we get a palindrome (84533548).

The spelling of 34221305 in words is "thirty-four million, two hundred twenty-one thousand, three hundred five".