2273978304 has 84 divisors (see below), whose sum is σ = 7019351976. Its totient is φ = 699683328.

The previous prime is 2273978279. The next prime is 2273978339. The reversal of 2273978304 is 4038793722.

2273978304 is a `hidden beast` number, since 2 + 273 + 9 + 78 + 304 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2273978304.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 144354 + ... + 159329.

It is an arithmetic number, because the mean of its divisors is an integer number (83563714).

Almost surely, 2^2273978304 is an apocalyptic number.

2273978304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2273978304 is an abundant number, since it is smaller than the sum of its proper divisors (4745373672).

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

2273978304 is a wasteful number, since it uses less digits than its factorization.

2273978304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303714 (or 303701 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 2273978304 is about 47686.2485838423. The cubic root of 2273978304 is about 1315.0091425678.

The spelling of 2273978304 in words is "two billion, two hundred seventy-three million, nine hundred seventy-eight thousand, three hundred four".