2287378 has 8 divisors (see below), whose sum is σ = 3487500. Its totient is φ = 1124880.

The previous prime is 2287343. The next prime is 2287381. The reversal of 2287378 is 8737822.

It can be written as a sum of positive squares in 2 ways, for example, as 2169729 + 117649 = 1473^2 + 343^2 .

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

It is a super-2 number, since 2×2287378² = 10464196229768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9253 + ... + 9496.

2^2287378 is an apocalyptic number.

2287378 is a deficient number, since it is larger than the sum of its proper divisors (1200122).

2287378 is a wasteful number, since it uses less digits than its factorization.

2287378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18812.

The product of its digits is 37632, while the sum is 37.

The square root of 2287378 is about 1512.4080137317. The cubic root of 2287378 is about 131.7587036535.

The spelling of 2287378 in words is "two million, two hundred eighty-seven thousand, three hundred seventy-eight".