1222616891063 has 2 divisors, whose sum is σ = 1222616891064. Its totient is φ = 1222616891062.

The previous prime is 1222616891051. The next prime is 1222616891107. The reversal of 1222616891063 is 3601986162221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222616891063 - 2¹⁰ = 1222616890039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222616890999 and 1222616891017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222616891003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611308445531 + 611308445532.

It is an arithmetic number, because the mean of its divisors is an integer number (611308445532).

Almost surely, 2^{1222616891063} is an apocalyptic number.

1222616891063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222616891063 is an equidigital number, since it uses as much as digits as its factorization.

1222616891063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 1222616891063 in words is "one trillion, two hundred twenty-two billion, six hundred sixteen million, eight hundred ninety-one thousand, sixty-three".