2268425666 has 16 divisors (see below), whose sum is σ = 3724454328. Its totient is φ = 1029801600.

The previous prime is 2268425659. The next prime is 2268425683. The reversal of 2268425666 is 6665248622.

2268425666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1229975041 + 1038450625 = 35071^2 + 32225^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2268425666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713555 + ... + 716726.

Almost surely, 2^2268425666 is an apocalyptic number.

2268425666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2268425666 is a deficient number, since it is larger than the sum of its proper divisors (1456028662).

2268425666 is a wasteful number, since it uses less digits than its factorization.

2268425666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430357.

The product of its digits is 1658880, while the sum is 47.

The square root of 2268425666 is about 47627.9924624165. The cubic root of 2268425666 is about 1313.9379331383.

The spelling of 2268425666 in words is "two billion, two hundred sixty-eight million, four hundred twenty-five thousand, six hundred sixty-six".