2281650945 has 96 divisors (see below), whose sum is σ = 4467778560. Its totient is φ = 989493120.

The previous prime is 2281650919. The next prime is 2281650979. The reversal of 2281650945 is 5490561822.

It is not a de Polignac number, because 2281650945 - 2⁹ = 2281650433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2281650897 and 2281650906.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2349310 + ... + 2350280.

It is an arithmetic number, because the mean of its divisors is an integer number (46539360).

Almost surely, 2^2281650945 is an apocalyptic number.

It is an amenable number.

2281650945 is a deficient number, since it is larger than the sum of its proper divisors (2186127615).

2281650945 is a wasteful number, since it uses less digits than its factorization.

2281650945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2281650945 is about 47766.6300360409. The cubic root of 2281650945 is about 1316.4864751186.

The spelling of 2281650945 in words is "two billion, two hundred eighty-one million, six hundred fifty thousand, nine hundred forty-five".