34522320221 has 2 divisors, whose sum is σ = 34522320222. Its totient is φ = 34522320220.

The previous prime is 34522320193. The next prime is 34522320241. The reversal of 34522320221 is 12202322543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17410802500 + 17111517721 = 131950^2 + 130811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34522320221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34522320241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17261160110 + 17261160111.

It is an arithmetic number, because the mean of its divisors is an integer number (17261160111).

Almost surely, 2^34522320221 is an apocalyptic number.

It is an amenable number.

34522320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34522320221 is an equidigital number, since it uses as much as digits as its factorization.

34522320221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 34522320221 its reverse (12202322543), we get a palindrome (46724642764).

The spelling of 34522320221 in words is "thirty-four billion, five hundred twenty-two million, three hundred twenty thousand, two hundred twenty-one".