222441403321 has 8 divisors (see below), whose sum is σ = 228236143464. Its totient is φ = 216664250880.

The previous prime is 222441403319. The next prime is 222441403337. The reversal of 222441403321 is 123304144222.

It can be written as a sum of positive squares in 4 ways, for example, as 53326355625 + 169115047696 = 230925^2 + 411236^2 .

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 222441403321 - 2¹ = 222441403319 is a prime.

It is a super-2 number, since 2×222441403321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222441403321.

It is not an unprimeable number, because it can be changed into a prime (222441403621) 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, 4371300 + ... + 4421893.

It is an arithmetic number, because the mean of its divisors is an integer number (28529517933).

Almost surely, 2^222441403321 is an apocalyptic number.

It is an amenable number.

222441403321 is a deficient number, since it is larger than the sum of its proper divisors (5794740143).

222441403321 is an equidigital number, since it uses as much as digits as its factorization.

222441403321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793851.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 222441403321 its reverse (123304144222), we get a palindrome (345745547543).

The spelling of 222441403321 in words is "two hundred twenty-two billion, four hundred forty-one million, four hundred three thousand, three hundred twenty-one".