221422047265963 has 2 divisors, whose sum is σ = 221422047265964. Its totient is φ = 221422047265962.

The previous prime is 221422047265883. The next prime is 221422047266041. The reversal of 221422047265963 is 369562740224122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221422047265963 - 2¹³ = 221422047257771 is a prime.

It is not a weakly prime, because it can be changed into another prime (221422047265663) 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, 110711023632981 + 110711023632982.

It is an arithmetic number, because the mean of its divisors is an integer number (110711023632982).

Almost surely, 2^{221422047265963} is an apocalyptic number.

221422047265963 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422047265963 is an equidigital number, since it uses as much as digits as its factorization.

221422047265963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 55.

The spelling of 221422047265963 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, two hundred sixty-five thousand, nine hundred sixty-three".