2281871064 has 128 divisors (see below), whose sum is σ = 6488801280. Its totient is φ = 662428800.

The previous prime is 2281871051. The next prime is 2281871071. The reversal of 2281871064 is 4601781822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841599 + ... + 844305.

It is an arithmetic number, because the mean of its divisors is an integer number (50693760).

Almost surely, 2^2281871064 is an apocalyptic number.

2281871064 is a gapful number since it is divisible by the number (24) 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 2281871064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3244400640).

2281871064 is an abundant number, since it is smaller than the sum of its proper divisors (4206930216).

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

2281871064 is a wasteful number, since it uses less digits than its factorization.

2281871064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 2281871064 is about 47768.9340890081. The cubic root of 2281871064 is about 1316.5288091383.

The spelling of 2281871064 in words is "two billion, two hundred eighty-one million, eight hundred seventy-one thousand, sixty-four".