32220322231 has 2 divisors, whose sum is σ = 32220322232. Its totient is φ = 32220322230.

The previous prime is 32220322229. The next prime is 32220322261. The reversal of 32220322231 is 13222302223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32220322231 - 2¹ = 32220322229 is a prime.

It is a super-2 number, since 2×32220322231² (a number of 22 digits) contains 22 as substring.

Together with 32220322229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32220322261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110161115 + 16110161116.

It is an arithmetic number, because the mean of its divisors is an integer number (16110161116).

Almost surely, 2^32220322231 is an apocalyptic number.

32220322231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32220322231 is an equidigital number, since it uses as much as digits as its factorization.

32220322231 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 32220322231 its reverse (13222302223), we get a palindrome (45442624454).

The spelling of 32220322231 in words is "thirty-two billion, two hundred twenty million, three hundred twenty-two thousand, two hundred thirty-one".