222022213321 has 2 divisors, whose sum is σ = 222022213322. Its totient is φ = 222022213320.

The previous prime is 222022213297. The next prime is 222022213367. The reversal of 222022213321 is 123312220222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201354125625 + 20668087696 = 448725^2 + 143764^2 .

It is a cyclic number.

It is not a de Polignac number, because 222022213321 - 2⁹ = 222022212809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222022213292 and 222022213301.

It is not a weakly prime, because it can be changed into another prime (222022210321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011106660 + 111011106661.

It is an arithmetic number, because the mean of its divisors is an integer number (111011106661).

Almost surely, 2^222022213321 is an apocalyptic number.

It is an amenable number.

222022213321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222022213321 is an equidigital number, since it uses as much as digits as its factorization.

222022213321 is an evil number, because the sum of its binary digits is even.

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

Adding to 222022213321 its reverse (123312220222), we get a palindrome (345334433543).

The spelling of 222022213321 in words is "two hundred twenty-two billion, twenty-two million, two hundred thirteen thousand, three hundred twenty-one".