223421032221 has 8 divisors (see below), whose sum is σ = 298201505184. Its totient is φ = 148793957040.

The previous prime is 223421032207. The next prime is 223421032223. The reversal of 223421032221 is 122230124322.

223421032221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223421032221 - 2¹⁷ = 223420901149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223421032191 and 223421032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223421032223) 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 7 ways as a sum of consecutive naturals, for example, 38346046 + ... + 38351871.

It is an arithmetic number, because the mean of its divisors is an integer number (37275188148).

Almost surely, 2^223421032221 is an apocalyptic number.

It is an amenable number.

223421032221 is a deficient number, since it is larger than the sum of its proper divisors (74780472963).

223421032221 is an equidigital number, since it uses as much as digits as its factorization.

223421032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76698891.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 223421032221 its reverse (122230124322), we get a palindrome (345651156543).

The spelling of 223421032221 in words is "two hundred twenty-three billion, four hundred twenty-one million, thirty-two thousand, two hundred twenty-one".