223220122321 has 16 divisors (see below), whose sum is σ = 258314624640. Its totient is φ = 188937100800.

The previous prime is 223220122271. The next prime is 223220122337. The reversal of 223220122321 is 123221022322.

It is not a de Polignac number, because 223220122321 - 2¹³ = 223220114129 is a prime.

It is a super-3 number, since 3×223220122321³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223220122292 and 223220122301.

It is not an unprimeable number, because it can be changed into a prime (223220122421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148576 + ... + 684481.

It is an arithmetic number, because the mean of its divisors is an integer number (16144664040).

Almost surely, 2^223220122321 is an apocalyptic number.

It is an amenable number.

223220122321 is a deficient number, since it is larger than the sum of its proper divisors (35094502319).

223220122321 is a wasteful number, since it uses less digits than its factorization.

223220122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833544.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 223220122321 its reverse (123221022322), we get a palindrome (346441144643).

Subtracting from 223220122321 its reverse (123221022322), we obtain a palindrome (99999099999).

It can be divided in two parts, 2232201 and 22321, that added together give a palindrome (2254522).

The spelling of 223220122321 in words is "two hundred twenty-three billion, two hundred twenty million, one hundred twenty-two thousand, three hundred twenty-one".