2278340383 has 4 divisors (see below), whose sum is σ = 2485462248. Its totient is φ = 2071218520.

The previous prime is 2278340377. The next prime is 2278340387. The reversal of 2278340383 is 3830438722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2278340383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278340387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103560916 + ... + 103560937.

It is an arithmetic number, because the mean of its divisors is an integer number (621365562).

Almost surely, 2^2278340383 is an apocalyptic number.

2278340383 is a deficient number, since it is larger than the sum of its proper divisors (207121865).

2278340383 is a wasteful number, since it uses less digits than its factorization.

2278340383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207121864.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 2278340383 is about 47731.9639549851. The cubic root of 2278340383 is about 1315.8494481294.

The spelling of 2278340383 in words is "two billion, two hundred seventy-eight million, three hundred forty thousand, three hundred eighty-three".