32223032221 has 2 divisors, whose sum is σ = 32223032222. Its totient is φ = 32223032220.

The previous prime is 32223032207. The next prime is 32223032267. The reversal of 32223032221 is 12223032223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28681116025 + 3541916196 = 169355^2 + 59514^2 .

It is a cyclic number.

It is not a de Polignac number, because 32223032221 - 2¹⁵ = 32222999453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32223032192 and 32223032201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32223032921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16111516110 + 16111516111.

It is an arithmetic number, because the mean of its divisors is an integer number (16111516111).

Almost surely, 2^32223032221 is an apocalyptic number.

It is an amenable number.

32223032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32223032221 is an equidigital number, since it uses as much as digits as its factorization.

32223032221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 32223032221 its reverse (12223032223), we get a palindrome (44446064444).

The spelling of 32223032221 in words is "thirty-two billion, two hundred twenty-three million, thirty-two thousand, two hundred twenty-one".