2220321223013 has 2 divisors, whose sum is σ = 2220321223014. Its totient is φ = 2220321223012.

The previous prime is 2220321223009. The next prime is 2220321223033. The reversal of 2220321223013 is 3103221230222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2186325976129 + 33995246884 = 1478623^2 + 184378^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220321223013 - 2² = 2220321223009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220321223013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220321223033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110160611506 + 1110160611507.

It is an arithmetic number, because the mean of its divisors is an integer number (1110160611507).

Almost surely, 2^{2220321223013} is an apocalyptic number.

It is an amenable number.

2220321223013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220321223013 is an equidigital number, since it uses as much as digits as its factorization.

2220321223013 is an evil number, because the sum of its binary digits is even.

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

Adding to 2220321223013 its reverse (3103221230222), we get a palindrome (5323542453235).

The spelling of 2220321223013 in words is "two trillion, two hundred twenty billion, three hundred twenty-one million, two hundred twenty-three thousand, thirteen".