34322221 has 2 divisors, whose sum is σ = 34322222. Its totient is φ = 34322220.

The previous prime is 34322219. The next prime is 34322237. The reversal of 34322221 is 12222343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23629321 + 10692900 = 4861^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 34322221 - 2¹ = 34322219 is a prime.

Together with 34322219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34322251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17161110 + 17161111.

It is an arithmetic number, because the mean of its divisors is an integer number (17161111).

Almost surely, 2^34322221 is an apocalyptic number.

It is an amenable number.

34322221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34322221 is an equidigital number, since it uses as much as digits as its factorization.

34322221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 19.

The square root of 34322221 is about 5858.5169625085. The cubic root of 34322221 is about 324.9813669791.

Adding to 34322221 its reverse (12222343), we get a palindrome (46544564).

It can be divided in two parts, 34322 and 221, that added together give a palindrome (34543).

The spelling of 34322221 in words is "thirty-four million, three hundred twenty-two thousand, two hundred twenty-one".