221422047303377 has 2 divisors, whose sum is σ = 221422047303378. Its totient is φ = 221422047303376.

The previous prime is 221422047303349. The next prime is 221422047303497. The reversal of 221422047303377 is 773303740224122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220147133070736 + 1274914232641 = 14837356^2 + 1129121^2 .

It is a cyclic number.

It is not a de Polignac number, because 221422047303377 - 2²⁴ = 221422030526161 is a prime.

It is not a weakly prime, because it can be changed into another prime (221422047303077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110711023651688 + 110711023651689.

It is an arithmetic number, because the mean of its divisors is an integer number (110711023651689).

Almost surely, 2^{221422047303377} is an apocalyptic number.

It is an amenable number.

221422047303377 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422047303377 is an equidigital number, since it uses as much as digits as its factorization.

221422047303377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 47.

Adding to 221422047303377 its reverse (773303740224122), we get a palindrome (994725787527499).

The spelling of 221422047303377 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, forty-seven million, three hundred three thousand, three hundred seventy-seven".