2162273 has 2 divisors, whose sum is σ = 2162274. Its totient is φ = 2162272.

The previous prime is 2162263. The next prime is 2162297. The reversal of 2162273 is 3722612.

2162273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 21904 = 1463^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162273 - 2¹⁶ = 2096737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2162203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081136 + 1081137.

It is an arithmetic number, because the mean of its divisors is an integer number (1081137).

2^2162273 is an apocalyptic number.

It is an amenable number.

2162273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162273 is an equidigital number, since it uses as much as digits as its factorization.

2162273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 2162273 is about 1470.4669326442. The cubic root of 2162273 is about 129.3114083771.

Adding to 2162273 its reverse (3722612), we get a palindrome (5884885).

The spelling of 2162273 in words is "two million, one hundred sixty-two thousand, two hundred seventy-three".