32212232321 has 4 divisors (see below), whose sum is σ = 32380882944. Its totient is φ = 32043581700.

The previous prime is 32212232317. The next prime is 32212232333. The reversal of 32212232321 is 12323221223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12323221223 = 449 ⋅27445927.

It is a cyclic number.

It is not a de Polignac number, because 32212232321 - 2² = 32212232317 is a prime.

It is a super-2 number, since 2×32212232321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32212232341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84325025 + ... + 84325406.

It is an arithmetic number, because the mean of its divisors is an integer number (8095220736).

Almost surely, 2^32212232321 is an apocalyptic number.

It is an amenable number.

32212232321 is a deficient number, since it is larger than the sum of its proper divisors (168650623).

32212232321 is a wasteful number, since it uses less digits than its factorization.

32212232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168650622.

The product of its digits is 1728, while the sum is 23.

Adding to 32212232321 its reverse (12323221223), we get a palindrome (44535453544).

The spelling of 32212232321 in words is "thirty-two billion, two hundred twelve million, two hundred thirty-two thousand, three hundred twenty-one".