2273121 has 24 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 1401216.

The previous prime is 2273119. The next prime is 2273143. The reversal of 2273121 is 1213722.

2273121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2273121 - 2¹ = 2273119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2273094 and 2273103.

It is not an unprimeable number, because it can be changed into a prime (2273101) 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 in 23 ways as a sum of consecutive naturals, for example, 12610 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^2273121 is an apocalyptic number.

It is an amenable number.

2273121 is a deficient number, since it is larger than the sum of its proper divisors (1264959).

2273121 is a wasteful number, since it uses less digits than its factorization.

2273121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 282 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 2273121 is about 1507.6873017970. The cubic root of 2273121 is about 131.4843866247.

Adding to 2273121 its reverse (1213722), we get a palindrome (3486843).

The spelling of 2273121 in words is "two million, two hundred seventy-three thousand, one hundred twenty-one".