32221324231 has 2 divisors, whose sum is σ = 32221324232. Its totient is φ = 32221324230.

The previous prime is 32221324207. The next prime is 32221324253. The reversal of 32221324231 is 13242312223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32221324231 - 2¹⁵ = 32221291463 is a prime.

It is a super-2 number, since 2×32221324231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32221324196 and 32221324205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32261324231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110662115 + 16110662116.

It is an arithmetic number, because the mean of its divisors is an integer number (16110662116).

Almost surely, 2^32221324231 is an apocalyptic number.

32221324231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221324231 is an equidigital number, since it uses as much as digits as its factorization.

32221324231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

Adding to 32221324231 its reverse (13242312223), we get a palindrome (45463636454).

The spelling of 32221324231 in words is "thirty-two billion, two hundred twenty-one million, three hundred twenty-four thousand, two hundred thirty-one".