2215663223563 has 2 divisors, whose sum is σ = 2215663223564. Its totient is φ = 2215663223562.

The previous prime is 2215663223561. The next prime is 2215663223593. The reversal of 2215663223563 is 3653223665122.

2215663223563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215663223563 - 2¹ = 2215663223561 is a prime.

Together with 2215663223561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2215663223561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107831611781 + 1107831611782.

It is an arithmetic number, because the mean of its divisors is an integer number (1107831611782).

Almost surely, 2^{2215663223563} is an apocalyptic number.

2215663223563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215663223563 is an equidigital number, since it uses as much as digits as its factorization.

2215663223563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 46.

Adding to 2215663223563 its reverse (3653223665122), we get a palindrome (5868886888685).

The spelling of 2215663223563 in words is "two trillion, two hundred fifteen billion, six hundred sixty-three million, two hundred twenty-three thousand, five hundred sixty-three".