2263866378 has 24 divisors (see below), whose sum is σ = 4778581248. Its totient is φ = 714904488.

The previous prime is 2263866377. The next prime is 2263866401. The reversal of 2263866378 is 8736683622.

It is a self number, because there is not a number n which added to its sum of digits gives 2263866378.

It is not an unprimeable number, because it can be changed into a prime (2263866377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520426 + ... + 524757.

It is an arithmetic number, because the mean of its divisors is an integer number (199107552).

Almost surely, 2^2263866378 is an apocalyptic number.

2263866378 is an abundant number, since it is smaller than the sum of its proper divisors (2514714870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2263866378 is a wasteful number, since it uses less digits than its factorization.

2263866378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045226 (or 1045207 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 2263866378 is about 47580.1048548655. The cubic root of 2263866378 is about 1313.0570521045.

The spelling of 2263866378 in words is "two billion, two hundred sixty-three million, eight hundred sixty-six thousand, three hundred seventy-eight".