22301312213 has 2 divisors, whose sum is σ = 22301312214. Its totient is φ = 22301312212.

The previous prime is 22301312197. The next prime is 22301312309. The reversal of 22301312213 is 31221310322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18283907524 + 4017404689 = 135218^2 + 63383^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301312213 - 2⁴ = 22301312197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22301312513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150656106 + 11150656107.

It is an arithmetic number, because the mean of its divisors is an integer number (11150656107).

Almost surely, 2^22301312213 is an apocalyptic number.

It is an amenable number.

22301312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301312213 is an equidigital number, since it uses as much as digits as its factorization.

22301312213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22301312213 its reverse (31221310322), we get a palindrome (53522622535).

The spelling of 22301312213 in words is "twenty-two billion, three hundred one million, three hundred twelve thousand, two hundred thirteen".