220002210173 has 2 divisors, whose sum is σ = 220002210174. Its totient is φ = 220002210172.

The previous prime is 220002210157. The next prime is 220002210203. The reversal of 220002210173 is 371012200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217638111289 + 2364098884 = 466517^2 + 48622^2 .

It is a cyclic number.

It is not a de Polignac number, because 220002210173 - 2⁴ = 220002210157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220002210073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001105086 + 110001105087.

It is an arithmetic number, because the mean of its divisors is an integer number (110001105087).

Almost surely, 2^220002210173 is an apocalyptic number.

It is an amenable number.

220002210173 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002210173 is an equidigital number, since it uses as much as digits as its factorization.

220002210173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 220002210173 its reverse (371012200022), we get a palindrome (591014410195).

The spelling of 220002210173 in words is "two hundred twenty billion, two million, two hundred ten thousand, one hundred seventy-three".