2268278 has 8 divisors (see below), whose sum is σ = 3409560. Its totient is φ = 1131760.

The previous prime is 2268271. The next prime is 2268281. The reversal of 2268278 is 8728622.

2268278 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268271) 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 3 ways as a sum of consecutive naturals, for example, 458 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (426195).

2^2268278 is an apocalyptic number.

2268278 is a deficient number, since it is larger than the sum of its proper divisors (1141282).

2268278 is a wasteful number, since it uses less digits than its factorization.

2268278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382.

The product of its digits is 21504, while the sum is 35.

The square root of 2268278 is about 1506.0803431424. The cubic root of 2268278 is about 131.3909421710.

The spelling of 2268278 in words is "two million, two hundred sixty-eight thousand, two hundred seventy-eight".