4220173 has 2 divisors, whose sum is σ = 4220174. Its totient is φ = 4220172.

The previous prime is 4220143. The next prime is 4220189. The reversal of 4220173 is 3710224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2832489 + 1387684 = 1683^2 + 1178^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220173 - 2⁵ = 4220141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4220173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110086 + 2110087.

It is an arithmetic number, because the mean of its divisors is an integer number (2110087).

Almost surely, 2^4220173 is an apocalyptic number.

It is an amenable number.

4220173 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220173 is an equidigital number, since it uses as much as digits as its factorization.

4220173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4220173 is about 2054.3059655270. The cubic root of 4220173 is about 161.6007671801.

Adding to 4220173 its reverse (3710224), we get a palindrome (7930397).

The spelling of 4220173 in words is "four million, two hundred twenty thousand, one hundred seventy-three".