2257907 has 4 divisors (see below), whose sum is σ = 2269800. Its totient is φ = 2246016.

The previous prime is 2257883. The next prime is 2257909. The reversal of 2257907 is 7097522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2257907 - 2¹⁴ = 2241523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257909) 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 3 ways as a sum of consecutive naturals, for example, 5657 + ... + 6042.

It is an arithmetic number, because the mean of its divisors is an integer number (567450).

2^2257907 is an apocalyptic number.

2257907 is a deficient number, since it is larger than the sum of its proper divisors (11893).

2257907 is a wasteful number, since it uses less digits than its factorization.

2257907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11892.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 2257907 is about 1502.6333551469. The cubic root of 2257907 is about 131.1903880463.

The spelling of 2257907 in words is "two million, two hundred fifty-seven thousand, nine hundred seven".