2281716128 has 12 divisors (see below), whose sum is σ = 4492128690. Its totient is φ = 1140858048.

The previous prime is 2281716103. The next prime is 2281716131. The reversal of 2281716128 is 8216171822.

It can be written as a sum of positive squares in only one way, i.e., 2129637904 + 152078224 = 46148^2 + 12332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2281716091 and 2281716100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35651783 + ... + 35651846.

Almost surely, 2^2281716128 is an apocalyptic number.

It is an amenable number.

2281716128 is a deficient number, since it is larger than the sum of its proper divisors (2210412562).

2281716128 is an equidigital number, since it uses as much as digits as its factorization.

2281716128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71303639 (or 71303631 counting only the distinct ones).

The product of its digits is 21504, while the sum is 38.

The square root of 2281716128 is about 47767.3123380414. The cubic root of 2281716128 is about 1316.4990116141.

The spelling of 2281716128 in words is "two billion, two hundred eighty-one million, seven hundred sixteen thousand, one hundred twenty-eight".