2257867 has 2 divisors, whose sum is σ = 2257868. Its totient is φ = 2257866.

The previous prime is 2257861. The next prime is 2257873. The reversal of 2257867 is 7687522.

It is a balanced prime because it is at equal distance from previous prime (2257861) and next prime (2257873).

It is a cyclic number.

It is not a de Polignac number, because 2257867 - 2³ = 2257859 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹⁶ + 5⁸ + 7³ + 8⁴ + 6⁸ + 7⁶ .

It is not a weakly prime, because it can be changed into another prime (2257861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128933 + 1128934.

It is an arithmetic number, because the mean of its divisors is an integer number (1128934).

2^2257867 is an apocalyptic number.

2257867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257867 is an equidigital number, since it uses as much as digits as its factorization.

2257867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 2257867 is about 1502.6200451212. The cubic root of 2257867 is about 131.1896133397.

The spelling of 2257867 in words is "two million, two hundred fifty-seven thousand, eight hundred sixty-seven".