2022173 has 4 divisors (see below), whose sum is σ = 2049948. Its totient is φ = 1994400.

The previous prime is 2022157. The next prime is 2022187. The reversal of 2022173 is 3712202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 1026169 = 998^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022173 - 2⁴ = 2022157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13778 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (512487).

2^2022173 is an apocalyptic number.

It is an amenable number.

2022173 is a deficient number, since it is larger than the sum of its proper divisors (27775).

2022173 is an equidigital number, since it uses as much as digits as its factorization.

2022173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27774.

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

The square root of 2022173 is about 1422.0312936078. The cubic root of 2022173 is about 126.4559986946.

Adding to 2022173 its reverse (3712202), we get a palindrome (5734375).

It can be divided in two parts, 202217 and 3, that multiplied together give a triangular number (606651 = T₁₁₀₁).

The spelling of 2022173 in words is "two million, twenty-two thousand, one hundred seventy-three".