2257071 has 8 divisors (see below), whose sum is σ = 3023280. Its totient is φ = 1497792.

The previous prime is 2257069. The next prime is 2257097. The reversal of 2257071 is 1707522.

2257071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2257071 - 2¹ = 2257069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257001) 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 7 ways as a sum of consecutive naturals, for example, 916 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (377910).

2^2257071 is an apocalyptic number.

2257071 is a deficient number, since it is larger than the sum of its proper divisors (766209).

2257071 is a wasteful number, since it uses less digits than its factorization.

2257071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 2257071 is about 1502.3551510878. The cubic root of 2257071 is about 131.1741947748.

The spelling of 2257071 in words is "two million, two hundred fifty-seven thousand, seventy-one".