223331320221 has 8 divisors (see below), whose sum is σ = 297778614240. Its totient is φ = 148885786512.

The previous prime is 223331320213. The next prime is 223331320241. The reversal of 223331320221 is 122023133322.

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

It is not a de Polignac number, because 223331320221 - 2³ = 223331320213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223331320191 and 223331320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223331320241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108315 + ... + 677048.

It is an arithmetic number, because the mean of its divisors is an integer number (37222326780).

Almost surely, 2^223331320221 is an apocalyptic number.

It is an amenable number.

223331320221 is a deficient number, since it is larger than the sum of its proper divisors (74447294019).

223331320221 is an equidigital number, since it uses as much as digits as its factorization.

223331320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880155.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 223331320221 its reverse (122023133322), we get a palindrome (345354453543).

The spelling of 223331320221 in words is "two hundred twenty-three billion, three hundred thirty-one million, three hundred twenty thousand, two hundred twenty-one".