2281747968 has 200 divisors, whose sum is σ = 6999185952. Its totient is φ = 739528704.

The previous prime is 2281747961. The next prime is 2281747987. The reversal of 2281747968 is 8697471822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281747961) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1533721 + ... + 1535207.

Almost surely, 2^2281747968 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 2281747968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499592976).

2281747968 is an abundant number, since it is smaller than the sum of its proper divisors (4717437984).

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

2281747968 is an equidigital number, since it uses as much as digits as its factorization.

2281747968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1529 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 2281747968 is about 47767.6456191845. The cubic root of 2281747968 is about 1316.5051352409.

The spelling of 2281747968 in words is "two billion, two hundred eighty-one million, seven hundred forty-seven thousand, nine hundred sixty-eight".