2022158 has 4 divisors (see below), whose sum is σ = 3033240. Its totient is φ = 1011078.

The previous prime is 2022157. The next prime is 2022187. The reversal of 2022158 is 8512202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8512202 = 2 ⋅4256101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505538 + ... + 505541.

It is an arithmetic number, because the mean of its divisors is an integer number (758310).

2^2022158 is an apocalyptic number.

2022158 is a deficient number, since it is larger than the sum of its proper divisors (1011082).

2022158 is a wasteful number, since it uses less digits than its factorization.

2022158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011081.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2022158 is about 1422.0260194525. The cubic root of 2022158 is about 126.4556860202.

The spelling of 2022158 in words is "two million, twenty-two thousand, one hundred fifty-eight".