2225635688 has 16 divisors (see below), whose sum is σ = 4177122180. Its totient is φ = 1111736448.

The previous prime is 2225635649. The next prime is 2225635693. The reversal of 2225635688 is 8865365222.

It can be written as a sum of positive squares in 2 ways, for example, as 1918615204 + 307020484 = 43802^2 + 17522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126395 + ... + 142922.

Almost surely, 2^2225635688 is an apocalyptic number.

It is an amenable number.

2225635688 is a deficient number, since it is larger than the sum of its proper divisors (1951486492).

2225635688 is a wasteful number, since it uses less digits than its factorization.

2225635688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270356 (or 270352 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The square root of 2225635688 is about 47176.6434583894. The cubic root of 2225635688 is about 1305.6237019043.

The spelling of 2225635688 in words is "two billion, two hundred twenty-five million, six hundred thirty-five thousand, six hundred eighty-eight".