2287478 has 16 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 1108800.

The previous prime is 2287477. The next prime is 2287487. The reversal of 2287478 is 8747822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287477) 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 7 ways as a sum of consecutive naturals, for example, 12548 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

2^2287478 is an apocalyptic number.

2287478 is a deficient number, since it is larger than the sum of its proper divisors (1250602).

2287478 is a wasteful number, since it uses less digits than its factorization.

2287478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its digits is 50176, while the sum is 38.

The square root of 2287478 is about 1512.4410732323. The cubic root of 2287478 is about 131.7606237090.

The spelling of 2287478 in words is "two million, two hundred eighty-seven thousand, four hundred seventy-eight".