225658963602 has 162 divisors, whose sum is σ = 529767169191. Its totient is φ = 69410582640.

The previous prime is 225658963549. The next prime is 225658963603. The reversal of 225658963602 is 206369856522.

225658963602 is a `hidden beast` number, since 2 + 2 + 56 + 589 + 6 + 3 + 6 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112829481801 + 112829481801 = 335901^2 + 335901^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335901.

It is not an unprimeable number, because it can be changed into a prime (225658963603) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2718782653 + ... + 2718782735.

Almost surely, 2^225658963602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225658963602

225658963602 is an abundant number, since it is smaller than the sum of its proper divisors (304108205589).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225658963602 is an equidigital number, since it uses as much as digits as its factorization.

225658963602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 225658963602 in words is "two hundred twenty-five billion, six hundred fifty-eight million, nine hundred sixty-three thousand, six hundred two".