22110173 has 2 divisors, whose sum is σ = 22110174. Its totient is φ = 22110172.

The previous prime is 22110157. The next prime is 22110229. The reversal of 22110173 is 37101122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22108804 + 1369 = 4702^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110173 - 2⁴ = 22110157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055086 + 11055087.

It is an arithmetic number, because the mean of its divisors is an integer number (11055087).

Almost surely, 2^22110173 is an apocalyptic number.

It is an amenable number.

22110173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110173 is an equidigital number, since it uses as much as digits as its factorization.

22110173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 22110173 is about 4702.1455740970. The cubic root of 22110173 is about 280.6708954652.

Adding to 22110173 its reverse (37101122), we get a palindrome (59211295).

The spelling of 22110173 in words is "twenty-two million, one hundred ten thousand, one hundred seventy-three".