2322161 has 4 divisors (see below), whose sum is σ = 2444400. Its totient is φ = 2199924.

The previous prime is 2322143. The next prime is 2322163. The reversal of 2322161 is 1612232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2322161 - 2¹⁴ = 2305777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2322163) 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 in 3 ways as a sum of consecutive naturals, for example, 61091 + ... + 61128.

It is an arithmetic number, because the mean of its divisors is an integer number (611100).

2^2322161 is an apocalyptic number.

It is an amenable number.

2322161 is a deficient number, since it is larger than the sum of its proper divisors (122239).

2322161 is a wasteful number, since it uses less digits than its factorization.

2322161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122238.

The product of its digits is 144, while the sum is 17.

The square root of 2322161 is about 1523.8638390617. The cubic root of 2322161 is about 132.4232093314.

Adding to 2322161 its reverse (1612232), we get a palindrome (3934393).

The spelling of 2322161 in words is "two million, three hundred twenty-two thousand, one hundred sixty-one".