34220591 has 2 divisors, whose sum is σ = 34220592. Its totient is φ = 34220590.

The previous prime is 34220567. The next prime is 34220657. The reversal of 34220591 is 19502243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34220591 - 2¹⁴ = 34204207 is a prime.

It is a Chen prime.

It is equal to p_2101985 and since 34220591 and 2101985 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34220591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34220521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17110295 + 17110296.

It is an arithmetic number, because the mean of its divisors is an integer number (17110296).

Almost surely, 2^34220591 is an apocalyptic number.

34220591 is a deficient number, since it is larger than the sum of its proper divisors (1).

34220591 is an equidigital number, since it uses as much as digits as its factorization.

34220591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 34220591 is about 5849.8368353314. The cubic root of 34220591 is about 324.6602872412.

The spelling of 34220591 in words is "thirty-four million, two hundred twenty thousand, five hundred ninety-one".