2289273 has 8 divisors (see below), whose sum is σ = 3488448. Its totient is φ = 1308144.

The previous prime is 2289263. The next prime is 2289281. The reversal of 2289273 is 3729822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2289273 - 2¹⁰ = 2288249 is a prime.

It is an Ulam number.

It is a Curzon number.

2289273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2289233) 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 7 ways as a sum of consecutive naturals, for example, 54486 + ... + 54527.

It is an arithmetic number, because the mean of its divisors is an integer number (436056).

2^2289273 is an apocalyptic number.

It is an amenable number.

2289273 is a deficient number, since it is larger than the sum of its proper divisors (1199175).

2289273 is a wasteful number, since it uses less digits than its factorization.

2289273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109023.

The product of its digits is 12096, while the sum is 33.

The square root of 2289273 is about 1513.0343684134. The cubic root of 2289273 is about 131.7950791927.

The spelling of 2289273 in words is "two million, two hundred eighty-nine thousand, two hundred seventy-three".