2281447872 has 336 divisors, whose sum is σ = 7702905600. Its totient is φ = 637870080.

The previous prime is 2281447871. The next prime is 2281447897. The reversal of 2281447872 is 2787441822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281447871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6354829 + ... + 6355187.

Almost surely, 2^2281447872 is an apocalyptic number.

2281447872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2281447872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3851452800).

2281447872 is an abundant number, since it is smaller than the sum of its proper divisors (5421457728).

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

2281447872 is a wasteful number, since it uses less digits than its factorization.

2281447872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 451 counting only the distinct ones).

The product of its digits is 401408, while the sum is 45.

The square root of 2281447872 is about 47764.5043102093. The cubic root of 2281447872 is about 1316.4474170277.

The spelling of 2281447872 in words is "two billion, two hundred eighty-one million, four hundred forty-seven thousand, eight hundred seventy-two".