32240223221 has 4 divisors (see below), whose sum is σ = 32694310944. Its totient is φ = 31786135500.

The previous prime is 32240223209. The next prime is 32240223233. The reversal of 32240223221 is 12232204223.

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 an interprime number because it is at equal distance from previous prime (32240223209) and next prime (32240223233).

It is a cyclic number.

It is not a de Polignac number, because 32240223221 - 2¹⁸ = 32239961077 is a prime.

It is a super-2 number, since 2×32240223221² (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 (32240229221) 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 in 3 ways as a sum of consecutive naturals, for example, 227043755 + ... + 227043896.

It is an arithmetic number, because the mean of its divisors is an integer number (8173577736).

Almost surely, 2^32240223221 is an apocalyptic number.

It is an amenable number.

32240223221 is a deficient number, since it is larger than the sum of its proper divisors (454087723).

32240223221 is an equidigital number, since it uses as much as digits as its factorization.

32240223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454087722.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32240223221 its reverse (12232204223), we get a palindrome (44472427444).

The spelling of 32240223221 in words is "thirty-two billion, two hundred forty million, two hundred twenty-three thousand, two hundred twenty-one".