220022742197 has 2 divisors, whose sum is σ = 220022742198. Its totient is φ = 220022742196.

The previous prime is 220022742077. The next prime is 220022742257. The reversal of 220022742197 is 791247220022.

220022742197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177886558756 + 42136183441 = 421766^2 + 205271^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022742197 - 2¹⁶ = 220022676661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220022742197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220022744197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011371098 + 110011371099.

It is an arithmetic number, because the mean of its divisors is an integer number (110011371099).

Almost surely, 2^220022742197 is an apocalyptic number.

It is an amenable number.

220022742197 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022742197 is an equidigital number, since it uses as much as digits as its factorization.

220022742197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 220022742197 in words is "two hundred twenty billion, twenty-two million, seven hundred forty-two thousand, one hundred ninety-seven".