32221231231 has 32 divisors (see below), whose sum is σ = 42088688640. Its totient is φ = 24006022656.

The previous prime is 32221231223. The next prime is 32221231247. The reversal of 32221231231 is 13213212223.

It is not a de Polignac number, because 32221231231 - 2³ = 32221231223 is a prime.

It is a super-2 number, since 2×32221231231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221231831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123601 + ... + 282346.

It is an arithmetic number, because the mean of its divisors is an integer number (1315271520).

Almost surely, 2^32221231231 is an apocalyptic number.

32221231231 is a deficient number, since it is larger than the sum of its proper divisors (9867457409).

32221231231 is a wasteful number, since it uses less digits than its factorization.

32221231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406023.

The product of its digits is 864, while the sum is 22.

Adding to 32221231231 its reverse (13213212223), we get a palindrome (45434443454).

The spelling of 32221231231 in words is "thirty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-one".