202220222001173 has 2 divisors, whose sum is σ = 202220222001174. Its totient is φ = 202220222001172.

The previous prime is 202220222001079. The next prime is 202220222001251. The reversal of 202220222001173 is 371100222022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197786026304164 + 4434195697009 = 14063642^2 + 2105753^2 .

It is a cyclic number.

It is not a de Polignac number, because 202220222001173 - 2¹⁴ = 202220221984789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202220222031173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110111000586 + 101110111000587.

It is an arithmetic number, because the mean of its divisors is an integer number (101110111000587).

Almost surely, 2^{202220222001173} is an apocalyptic number.

It is an amenable number.

202220222001173 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220222001173 is an equidigital number, since it uses as much as digits as its factorization.

202220222001173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 202220222001173 its reverse (371100222022202), we get a palindrome (573320444023375).

The spelling of 202220222001173 in words is "two hundred two trillion, two hundred twenty billion, two hundred twenty-two million, one thousand, one hundred seventy-three".