34220545 has 8 divisors (see below), whose sum is σ = 41365224. Its totient is φ = 27176064.

The previous prime is 34220521. The next prime is 34220567. The reversal of 34220545 is 54502243.

It can be written as a sum of positive squares in 4 ways, for example, as 1912689 + 32307856 = 1383^2 + 5684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34220545 - 2⁵ = 34220513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24294 + ... + 25663.

It is an arithmetic number, because the mean of its divisors is an integer number (5170653).

Almost surely, 2^34220545 is an apocalyptic number.

It is an amenable number.

34220545 is a deficient number, since it is larger than the sum of its proper divisors (7144679).

34220545 is a wasteful number, since it uses less digits than its factorization.

34220545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50099.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 34220545 is about 5849.8329035965. The cubic root of 34220545 is about 324.6601417696.

Adding to 34220545 its reverse (54502243), we get a palindrome (88722788).

The spelling of 34220545 in words is "thirty-four million, two hundred twenty thousand, five hundred forty-five".