2268781770 has 32 divisors (see below), whose sum is σ = 5506263360. Its totient is φ = 598209920.

The previous prime is 2268781751. The next prime is 2268781789. The reversal of 2268781770 is 771878622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2268781751) and next prime (2268781789).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 422196 + ... + 427535.

It is an arithmetic number, because the mean of its divisors is an integer number (172070730).

Almost surely, 2^2268781770 is an apocalyptic number.

2268781770 is an abundant number, since it is smaller than the sum of its proper divisors (3237481590).

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

2268781770 is a wasteful number, since it uses less digits than its factorization.

2268781770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849830.

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 2268781770 is about 47631.7307054867. The cubic root of 2268781770 is about 1314.0066847956.

The spelling of 2268781770 in words is "two billion, two hundred sixty-eight million, seven hundred eighty-one thousand, seven hundred seventy".