222120222013 has 2 divisors, whose sum is σ = 222120222014. Its totient is φ = 222120222012.

The previous prime is 222120221977. The next prime is 222120222017. The reversal of 222120222013 is 310222021222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129483386244 + 92636835769 = 359838^2 + 304363^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120222013 - 2²¹ = 222118124861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120222017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060111006 + 111060111007.

It is an arithmetic number, because the mean of its divisors is an integer number (111060111007).

Almost surely, 2^222120222013 is an apocalyptic number.

It is an amenable number.

222120222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120222013 is an equidigital number, since it uses as much as digits as its factorization.

222120222013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222120222013 its reverse (310222021222), we get a palindrome (532342243235).

The spelling of 222120222013 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, thirteen".