2221122232313 has 2 divisors, whose sum is σ = 2221122232314. Its totient is φ = 2221122232312.

The previous prime is 2221122232283. The next prime is 2221122232321. The reversal of 2221122232313 is 3132322211222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1532376603664 + 688745628649 = 1237892^2 + 829907^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221122232313 - 2⁶ = 2221122232249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221122232363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110561116156 + 1110561116157.

It is an arithmetic number, because the mean of its divisors is an integer number (1110561116157).

Almost surely, 2^{2221122232313} is an apocalyptic number.

It is an amenable number.

2221122232313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221122232313 is an equidigital number, since it uses as much as digits as its factorization.

2221122232313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

Adding to 2221122232313 its reverse (3132322211222), we get a palindrome (5353444443535).

The spelling of 2221122232313 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred thirteen".