2294857728 has 180 divisors, whose sum is σ = 6747380640. Its totient is φ = 751435776.

The previous prime is 2294857717. The next prime is 2294857757. The reversal of 2294857728 is 8277584922.

2294857728 is a `hidden beast` number, since 2 + 2 + 9 + 48 + 577 + 28 = 666.

It is a super-2 number, since 2×2294857728² = 10532743983522643968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11648926 + ... + 11649122.

It is an arithmetic number, because the mean of its divisors is an integer number (37485448).

Almost surely, 2^2294857728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2294857728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3373690320).

2294857728 is an abundant number, since it is smaller than the sum of its proper divisors (4452522912).

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

2294857728 is an equidigital number, since it uses as much as digits as its factorization.

2294857728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 281 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 2294857728 is about 47904.6733419611. The cubic root of 2294857728 is about 1319.0216441887.

The spelling of 2294857728 in words is "two billion, two hundred ninety-four million, eight hundred fifty-seven thousand, seven hundred twenty-eight".