2022161 has 16 divisors (see below), whose sum is σ = 2247168. Its totient is φ = 1814400.

The previous prime is 2022157. The next prime is 2022187. The reversal of 2022161 is 1612202.

It is a cyclic number.

It is not a de Polignac number, because 2022161 - 2² = 2022157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2022101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47006 + ... + 47048.

It is an arithmetic number, because the mean of its divisors is an integer number (140448).

2^2022161 is an apocalyptic number.

It is an amenable number.

2022161 is a deficient number, since it is larger than the sum of its proper divisors (225007).

2022161 is a wasteful number, since it uses less digits than its factorization.

2022161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2022161 is about 1422.0270742852. The cubic root of 2022161 is about 126.4557485552.

Adding to 2022161 its reverse (1612202), we get a palindrome (3634363).

The spelling of 2022161 in words is "two million, twenty-two thousand, one hundred sixty-one".