2278715328 has 70 divisors (see below), whose sum is σ = 6754841456. Its totient is φ = 759570048.

The previous prime is 2278715311. The next prime is 2278715333. The reversal of 2278715328 is 8235178722.

2278715328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 214600 + ... + 224967.

Almost surely, 2^2278715328 is an apocalyptic number.

It is an amenable number.

2278715328 is an abundant number, since it is smaller than the sum of its proper divisors (4476126128).

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

2278715328 is an equidigital number, since it uses as much as digits as its factorization.

2278715328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439591 (or 439572 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 2278715328 is about 47735.8914025914. The cubic root of 2278715328 is about 1315.9216270003.

The spelling of 2278715328 in words is "two billion, two hundred seventy-eight million, seven hundred fifteen thousand, three hundred twenty-eight".