200222202220181 has 2 divisors, whose sum is σ = 200222202220182. Its totient is φ = 200222202220180.

The previous prime is 200222202219953. The next prime is 200222202220199. The reversal of 200222202220181 is 181022202222002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102189252676900 + 98032949543281 = 10108870^2 + 9901159^2 .

It is a cyclic number.

It is not a de Polignac number, because 200222202220181 - 2³⁴ = 200205022350997 is a prime.

It is a super-2 number, since 2×200222202220181² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200222202220181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200222202226181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100111101110090 + 100111101110091.

It is an arithmetic number, because the mean of its divisors is an integer number (100111101110091).

Almost surely, 2^{200222202220181} is an apocalyptic number.

It is an amenable number.

200222202220181 is a deficient number, since it is larger than the sum of its proper divisors (1).

200222202220181 is an equidigital number, since it uses as much as digits as its factorization.

200222202220181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 200222202220181 its reverse (181022202222002), we get a palindrome (381244404442183).

The spelling of 200222202220181 in words is "two hundred trillion, two hundred twenty-two billion, two hundred two million, two hundred twenty thousand, one hundred eighty-one".