2164322 has 4 divisors (see below), whose sum is σ = 3246486. Its totient is φ = 1082160.

The previous prime is 2164313. The next prime is 2164367. The reversal of 2164322 is 2234612.

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

It can be written as a sum of positive squares in only one way, i.e., 1934881 + 229441 = 1391^2 + 479^2 .

It is a d-powerful number, because it can be written as 2¹⁶ + 1 + 6⁴ + 4⁴ + 3⁴ + 2²⁰ + 2²⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 2164294 and 2164303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541079 + ... + 541082.

2^2164322 is an apocalyptic number.

2164322 is a deficient number, since it is larger than the sum of its proper divisors (1082164).

2164322 is a wasteful number, since it uses less digits than its factorization.

2164322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082163.

The product of its digits is 576, while the sum is 20.

The square root of 2164322 is about 1471.1634851368. The cubic root of 2164322 is about 129.3522412455.

Adding to 2164322 its reverse (2234612), we get a palindrome (4398934).

The spelling of 2164322 in words is "two million, one hundred sixty-four thousand, three hundred twenty-two".