222321313013 has 2 divisors, whose sum is σ = 222321313014. Its totient is φ = 222321313012.

The previous prime is 222321312991. The next prime is 222321313063. The reversal of 222321313013 is 310313123222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222102953284 + 218359729 = 471278^2 + 14777^2 .

It is a cyclic number.

It is not a de Polignac number, because 222321313013 - 2⁸ = 222321312757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222321313013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222321313063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160656506 + 111160656507.

It is an arithmetic number, because the mean of its divisors is an integer number (111160656507).

Almost surely, 2^222321313013 is an apocalyptic number.

It is an amenable number.

222321313013 is a deficient number, since it is larger than the sum of its proper divisors (1).

222321313013 is an equidigital number, since it uses as much as digits as its factorization.

222321313013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 222321313013 its reverse (310313123222), we get a palindrome (532634436235).

The spelling of 222321313013 in words is "two hundred twenty-two billion, three hundred twenty-one million, three hundred thirteen thousand, thirteen".