32302220012221 has 2 divisors, whose sum is σ = 32302220012222. Its totient is φ = 32302220012220.

The previous prime is 32302220012173. The next prime is 32302220012243. The reversal of 32302220012221 is 12221002220323.

It is an a-pointer prime, because the next prime (32302220012243) can be obtained adding 32302220012221 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25660414803321 + 6641805208900 = 5065611^2 + 2577170^2 .

It is a cyclic number.

It is not a de Polignac number, because 32302220012221 - 2¹⁵ = 32302219979453 is a prime.

It is a super-2 number, since 2×32302220012221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32302220012192 and 32302220012201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32302220019221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16151110006110 + 16151110006111.

It is an arithmetic number, because the mean of its divisors is an integer number (16151110006111).

Almost surely, 2^{32302220012221} is an apocalyptic number.

It is an amenable number.

32302220012221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32302220012221 is an equidigital number, since it uses as much as digits as its factorization.

32302220012221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 32302220012221 its reverse (12221002220323), we get a palindrome (44523222232544).

The spelling of 32302220012221 in words is "thirty-two trillion, three hundred two billion, two hundred twenty million, twelve thousand, two hundred twenty-one".