22331321333213 has 2 divisors, whose sum is σ = 22331321333214. Its totient is φ = 22331321333212.

The previous prime is 22331321333173. The next prime is 22331321333257. The reversal of 22331321333213 is 31233312313322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18104999470009 + 4226321863204 = 4254997^2 + 2055802^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331321333213 - 2¹⁶ = 22331321267677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22331321333213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22331321333263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165660666606 + 11165660666607.

It is an arithmetic number, because the mean of its divisors is an integer number (11165660666607).

Almost surely, 2^{22331321333213} is an apocalyptic number.

It is an amenable number.

22331321333213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331321333213 is an equidigital number, since it uses as much as digits as its factorization.

22331321333213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 32.

Adding to 22331321333213 its reverse (31233312313322), we get a palindrome (53564633646535).

The spelling of 22331321333213 in words is "twenty-two trillion, three hundred thirty-one billion, three hundred twenty-one million, three hundred thirty-three thousand, two hundred thirteen".