34222452221 has 2 divisors, whose sum is σ = 34222452222. Its totient is φ = 34222452220.

The previous prime is 34222452197. The next prime is 34222452311. The reversal of 34222452221 is 12225422243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27352528996 + 6869923225 = 165386^2 + 82885^2 .

It is a cyclic number.

It is not a de Polignac number, because 34222452221 - 2²⁶ = 34155343357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34222452421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17111226110 + 17111226111.

It is an arithmetic number, because the mean of its divisors is an integer number (17111226111).

Almost surely, 2^34222452221 is an apocalyptic number.

It is an amenable number.

34222452221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34222452221 is an equidigital number, since it uses as much as digits as its factorization.

34222452221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 29.

Adding to 34222452221 its reverse (12225422243), we get a palindrome (46447874464).

The spelling of 34222452221 in words is "thirty-four billion, two hundred twenty-two million, four hundred fifty-two thousand, two hundred twenty-one".