2281338328 has 8 divisors (see below), whose sum is σ = 4277509380. Its totient is φ = 1140669160.

The previous prime is 2281338287. The next prime is 2281338361. The reversal of 2281338328 is 8238331822.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142583638 + ... + 142583653.

Almost surely, 2^2281338328 is an apocalyptic number.

It is an amenable number.

2281338328 is a deficient number, since it is larger than the sum of its proper divisors (1996171052).

2281338328 is a wasteful number, since it uses less digits than its factorization.

2281338328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285167297 (or 285167293 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 2281338328 is about 47763.3575871714. The cubic root of 2281338328 is about 1316.4263468956.

The spelling of 2281338328 in words is "two billion, two hundred eighty-one million, three hundred thirty-eight thousand, three hundred twenty-eight".