34412221 has 2 divisors, whose sum is σ = 34412222. Its totient is φ = 34412220.

The previous prime is 34412219. The next prime is 34412227. The reversal of 34412221 is 12221443.

34412221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25140196 + 9272025 = 5014^2 + 3045^2 .

It is a cyclic number.

It is not a de Polignac number, because 34412221 - 2¹ = 34412219 is a prime.

Together with 34412219, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34412227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17206110 + 17206111.

It is an arithmetic number, because the mean of its divisors is an integer number (17206111).

Almost surely, 2^34412221 is an apocalyptic number.

It is an amenable number.

34412221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34412221 is an equidigital number, since it uses as much as digits as its factorization.

34412221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 19.

The square root of 34412221 is about 5866.1930585346. The cubic root of 34412221 is about 325.2651752942.

Adding to 34412221 its reverse (12221443), we get a palindrome (46633664).

It can be divided in two parts, 344 and 12221, that multiplied together give a palindrome (4204024).

The spelling of 34412221 in words is "thirty-four million, four hundred twelve thousand, two hundred twenty-one".