2228273 has 4 divisors (see below), whose sum is σ = 2305140. Its totient is φ = 2151408.

The previous prime is 2228243. The next prime is 2228299. The reversal of 2228273 is 3728222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3728222 = 2 ⋅1864111.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 1129969 = 1048^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228273 - 2⁶ = 2228209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2228243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38390 + ... + 38447.

It is an arithmetic number, because the mean of its divisors is an integer number (576285).

2^2228273 is an apocalyptic number.

It is an amenable number.

2228273 is a deficient number, since it is larger than the sum of its proper divisors (76867).

2228273 is an equidigital number, since it uses as much as digits as its factorization.

2228273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76866.

The product of its digits is 2688, while the sum is 26.

The square root of 2228273 is about 1492.7400979407. The cubic root of 2228273 is about 130.6139206738.

The spelling of 2228273 in words is "two million, two hundred twenty-eight thousand, two hundred seventy-three".