2278568 has 16 divisors (see below), whose sum is σ = 4292160. Its totient is φ = 1134000.

The previous prime is 2278553. The next prime is 2278631. The reversal of 2278568 is 8658722.

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 7² + 8³ + 5⁵ + 6⁶ + 8⁷ .

It is a congruent number.

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, 1643 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (268260).

2^2278568 is an apocalyptic number.

It is an amenable number.

2278568 is a deficient number, since it is larger than the sum of its proper divisors (2013592).

2278568 is a wasteful number, since it uses less digits than its factorization.

2278568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1324 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 2278568 is about 1509.4926299919. The cubic root of 2278568 is about 131.5893266535.

The spelling of 2278568 in words is "two million, two hundred seventy-eight thousand, five hundred sixty-eight".