2273257 has 12 divisors (see below), whose sum is σ = 2800980. Its totient is φ = 1833216.

The previous prime is 2273239. The next prime is 2273267. The reversal of 2273257 is 7523722.

It can be written as a sum of positive squares in 2 ways, for example, as 2019241 + 254016 = 1421^2 + 504^2 .

It is not a de Polignac number, because 2273257 - 2¹⁵ = 2240489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2273267) 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 11 ways as a sum of consecutive naturals, for example, 532 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (233415).

2^2273257 is an apocalyptic number.

It is an amenable number.

2273257 is a deficient number, since it is larger than the sum of its proper divisors (527723).

2273257 is a wasteful number, since it uses less digits than its factorization.

2273257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760 (or 2753 counting only the distinct ones).

The product of its digits is 5880, while the sum is 28.

The square root of 2273257 is about 1507.7324033130. The cubic root of 2273257 is about 131.4870087934.

Adding to 2273257 its reverse (7523722), we get a palindrome (9796979).

The spelling of 2273257 in words is "two million, two hundred seventy-three thousand, two hundred fifty-seven".