2275947945 has 12 divisors (see below), whose sum is σ = 3944976516. Its totient is φ = 1213838880.

The previous prime is 2275947943. The next prime is 2275947967. The reversal of 2275947945 is 5497495722.

2275947945 is a `hidden beast` number, since 2 + 2 + 7 + 594 + 7 + 9 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 671224464 + 1604723481 = 25908^2 + 40059^2 .

It is not a de Polignac number, because 2275947945 - 2¹ = 2275947943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2275947891 and 2275947900.

It is not an unprimeable number, because it can be changed into a prime (2275947943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25288266 + ... + 25288355.

It is an arithmetic number, because the mean of its divisors is an integer number (328748043).

Almost surely, 2^2275947945 is an apocalyptic number.

It is an amenable number.

2275947945 is a deficient number, since it is larger than the sum of its proper divisors (1669028571).

2275947945 is a wasteful number, since it uses less digits than its factorization.

2275947945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50576632 (or 50576629 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The square root of 2275947945 is about 47706.8961996062. The cubic root of 2275947945 is about 1315.3887047446.

The spelling of 2275947945 in words is "two billion, two hundred seventy-five million, nine hundred forty-seven thousand, nine hundred forty-five".