2257427 has 8 divisors (see below), whose sum is σ = 2395680. Its totient is φ = 2122560.

The previous prime is 2257403. The next prime is 2257439. The reversal of 2257427 is 7247522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2257427 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁹ + 2¹³ + 5⁹ + 7³ + 4⁹ + 2¹⁵ + 7³ .

It is a self number, because there is not a number n which added to its sum of digits gives 2257427.

It is not an unprimeable number, because it can be changed into a prime (2257487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (299460).

2^2257427 is an apocalyptic number.

2257427 is a deficient number, since it is larger than the sum of its proper divisors (138253).

2257427 is a wasteful number, since it uses less digits than its factorization.

2257427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its digits is 7840, while the sum is 29.

The square root of 2257427 is about 1502.4736270564. The cubic root of 2257427 is about 131.1810909629.

The spelling of 2257427 in words is "two million, two hundred fifty-seven thousand, four hundred twenty-seven".