32212233221 has 4 divisors (see below), whose sum is σ = 36813980832. Its totient is φ = 27610485612.

The previous prime is 32212233113. The next prime is 32212233241. The reversal of 32212233221 is 12233221223.

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.

It is a cyclic number.

It is not a de Polignac number, because 32212233221 - 2¹⁴ = 32212216837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32212233241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300873795 + ... + 2300873808.

It is an arithmetic number, because the mean of its divisors is an integer number (9203495208).

Almost surely, 2^32212233221 is an apocalyptic number.

It is an amenable number.

32212233221 is a deficient number, since it is larger than the sum of its proper divisors (4601747611).

32212233221 is an equidigital number, since it uses as much as digits as its factorization.

32212233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601747610.

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

Adding to 32212233221 its reverse (12233221223), we get a palindrome (44445454444).

The spelling of 32212233221 in words is "thirty-two billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twenty-one".