2270307778 has 8 divisors (see below), whose sum is σ = 3406195980. Its totient is φ = 1134909120.

The previous prime is 2270307761. The next prime is 2270307791. The reversal of 2270307778 is 8777030722.

It can be written as a sum of positive squares in 2 ways, for example, as 1461303529 + 809004249 = 38227^2 + 28443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110563 + ... + 129478.

Almost surely, 2^2270307778 is an apocalyptic number.

2270307778 is a deficient number, since it is larger than the sum of its proper divisors (1135888202).

2270307778 is a wasteful number, since it uses less digits than its factorization.

2270307778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244772.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 2270307778 is about 47647.7468302542. The cubic root of 2270307778 is about 1314.3012239674.

The spelling of 2270307778 in words is "two billion, two hundred seventy million, three hundred seven thousand, seven hundred seventy-eight".