222013430321 has 2 divisors, whose sum is σ = 222013430322. Its totient is φ = 222013430320.

The previous prime is 222013430281. The next prime is 222013430339. The reversal of 222013430321 is 123034310222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221370250000 + 643180321 = 470500^2 + 25361^2 .

It is a cyclic number.

It is not a de Polignac number, because 222013430321 - 2⁶ = 222013430257 is a prime.

It is not a weakly prime, because it can be changed into another prime (222013430621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111006715160 + 111006715161.

It is an arithmetic number, because the mean of its divisors is an integer number (111006715161).

Almost surely, 2^222013430321 is an apocalyptic number.

It is an amenable number.

222013430321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222013430321 is an equidigital number, since it uses as much as digits as its factorization.

222013430321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 222013430321 its reverse (123034310222), we get a palindrome (345047740543).

The spelling of 222013430321 in words is "two hundred twenty-two billion, thirteen million, four hundred thirty thousand, three hundred twenty-one".