2259278 has 8 divisors (see below), whose sum is σ = 3873072. Its totient is φ = 968256.

The previous prime is 2259241. The next prime is 2259281. The reversal of 2259278 is 8729522.

2259278 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 an unprimeable number.

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, 80675 + ... + 80702.

It is an arithmetic number, because the mean of its divisors is an integer number (484134).

2^2259278 is an apocalyptic number.

2259278 is a deficient number, since it is larger than the sum of its proper divisors (1613794).

2259278 is a wasteful number, since it uses less digits than its factorization.

2259278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161386.

The product of its digits is 20160, while the sum is 35.

The square root of 2259278 is about 1503.0894850274. The cubic root of 2259278 is about 131.2169355865.

The spelling of 2259278 in words is "two million, two hundred fifty-nine thousand, two hundred seventy-eight".