20220222122171 has 2 divisors, whose sum is σ = 20220222122172. Its totient is φ = 20220222122170.

The previous prime is 20220222122101. The next prime is 20220222122227. The reversal of 20220222122171 is 17122122202202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20220222122171 - 2¹⁰ = 20220222121147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20220222122171.

It is not a weakly prime, because it can be changed into another prime (20220222122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110111061085 + 10110111061086.

It is an arithmetic number, because the mean of its divisors is an integer number (10110111061086).

Almost surely, 2^{20220222122171} is an apocalyptic number.

20220222122171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220222122171 is an equidigital number, since it uses as much as digits as its factorization.

20220222122171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 20220222122171 its reverse (17122122202202), we get a palindrome (37342344324373).

The spelling of 20220222122171 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred seventy-one".