223221030320221 has 8 divisors (see below), whose sum is σ = 223484655355200. Its totient is φ = 222957414039360.

The previous prime is 223221030320213. The next prime is 223221030320261. The reversal of 223221030320221 is 122023030122322.

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

It is a cyclic number.

It is not a de Polignac number, because 223221030320221 - 2³ = 223221030320213 is a prime.

It is a super-3 number, since 3×223221030320221³ (a number of 44 digits) contains 333 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 (223221030320261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49561536 + ... + 53877526.

It is an arithmetic number, because the mean of its divisors is an integer number (27935581919400).

Almost surely, 2^{223221030320221} is an apocalyptic number.

It is an amenable number.

223221030320221 is a deficient number, since it is larger than the sum of its proper divisors (263625034979).

223221030320221 is an equidigital number, since it uses as much as digits as its factorization.

223221030320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377059.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223221030320221 its reverse (122023030122322), we get a palindrome (345244060442543).

The spelling of 223221030320221 in words is "two hundred twenty-three trillion, two hundred twenty-one billion, thirty million, three hundred twenty thousand, two hundred twenty-one".