220032233221 has 4 divisors (see below), whose sum is σ = 220452945472. Its totient is φ = 219611520972.

The previous prime is 220032233209. The next prime is 220032233227. The reversal of 220032233221 is 122332230022.

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 220032233221 - 2⁵ = 220032233189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220032233192 and 220032233201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220032233227) 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, 210355341 + ... + 210356386.

It is an arithmetic number, because the mean of its divisors is an integer number (55113236368).

Almost surely, 2^220032233221 is an apocalyptic number.

It is an amenable number.

220032233221 is a deficient number, since it is larger than the sum of its proper divisors (420712251).

220032233221 is an equidigital number, since it uses as much as digits as its factorization.

220032233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420712250.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 220032233221 its reverse (122332230022), we get a palindrome (342364463243).

The spelling of 220032233221 in words is "two hundred twenty billion, thirty-two million, two hundred thirty-three thousand, two hundred twenty-one".