2257168 has 10 divisors (see below), whose sum is σ = 4373294. Its totient is φ = 1128576.

The previous prime is 2257139. The next prime is 2257169. The reversal of 2257168 is 8617522.

2257168 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in only one way, i.e., 1721344 + 535824 = 1312^2 + 732^2 .

It is not an unprimeable number, because it can be changed into a prime (2257169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70521 + ... + 70552.

2^2257168 is an apocalyptic number.

It is an amenable number.

2257168 is a deficient number, since it is larger than the sum of its proper divisors (2116126).

2257168 is a wasteful number, since it uses less digits than its factorization.

2257168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141081 (or 141075 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2257168 is about 1502.3874333873. The cubic root of 2257168 is about 131.1760738642.

The spelling of 2257168 in words is "two million, two hundred fifty-seven thousand, one hundred sixty-eight".