2281739568 has 80 divisors (see below), whose sum is σ = 6022947840. Its totient is φ = 744129792.

The previous prime is 2281739549. The next prime is 2281739599. The reversal of 2281739568 is 8659371822.

It is a self number, because there is not a number n which added to its sum of digits gives 2281739568.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629730 + ... + 633342.

It is an arithmetic number, because the mean of its divisors is an integer number (75286848).

Almost surely, 2^2281739568 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 2281739568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3011473920).

2281739568 is an abundant number, since it is smaller than the sum of its proper divisors (3741208272).

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

2281739568 is a wasteful number, since it uses less digits than its factorization.

2281739568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906 (or 3900 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 2281739568 is about 47767.5576934806. The cubic root of 2281739568 is about 1316.5035197167.

The spelling of 2281739568 in words is "two billion, two hundred eighty-one million, seven hundred thirty-nine thousand, five hundred sixty-eight".