32222131021 has 2 divisors, whose sum is σ = 32222131022. Its totient is φ = 32222131020.

The previous prime is 32222131013. The next prime is 32222131033. The reversal of 32222131021 is 12013122223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32216660100 + 5470921 = 179490^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 32222131021 - 2³ = 32222131013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32222131021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32222131121) 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, 16111065510 + 16111065511.

It is an arithmetic number, because the mean of its divisors is an integer number (16111065511).

Almost surely, 2^32222131021 is an apocalyptic number.

It is an amenable number.

32222131021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32222131021 is an equidigital number, since it uses as much as digits as its factorization.

32222131021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32222131021 its reverse (12013122223), we get a palindrome (44235253244).

The spelling of 32222131021 in words is "thirty-two billion, two hundred twenty-two million, one hundred thirty-one thousand, twenty-one".