22200173 has 2 divisors, whose sum is σ = 22200174. Its totient is φ = 22200172.

The previous prime is 22200149. The next prime is 22200179. The reversal of 22200173 is 37100222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17280649 + 4919524 = 4157^2 + 2218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22200173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100086 + 11100087.

It is an arithmetic number, because the mean of its divisors is an integer number (11100087).

Almost surely, 2^22200173 is an apocalyptic number.

It is an amenable number.

22200173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200173 is an equidigital number, since it uses as much as digits as its factorization.

22200173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22200173 is about 4711.7059543227. The cubic root of 22200173 is about 281.0512058252.

Adding to 22200173 its reverse (37100222), we get a palindrome (59300395).

The spelling of 22200173 in words is "twenty-two million, two hundred thousand, one hundred seventy-three".