32224111142221 has 2 divisors, whose sum is σ = 32224111142222. Its totient is φ = 32224111142220.

The previous prime is 32224111142161. The next prime is 32224111142227. The reversal of 32224111142221 is 12224111142223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17237534579721 + 14986576562500 = 4151811^2 + 3871250^2 .

It is a cyclic number.

It is not a de Polignac number, because 32224111142221 - 2¹⁵ = 32224111109453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32224111142221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32224111142227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16112055571110 + 16112055571111.

It is an arithmetic number, because the mean of its divisors is an integer number (16112055571111).

Almost surely, 2^{32224111142221} is an apocalyptic number.

It is an amenable number.

32224111142221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32224111142221 is an equidigital number, since it uses as much as digits as its factorization.

32224111142221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

Adding to 32224111142221 its reverse (12224111142223), we get a palindrome (44448222284444).

The spelling of 32224111142221 in words is "thirty-two trillion, two hundred twenty-four billion, one hundred eleven million, one hundred forty-two thousand, two hundred twenty-one".