225661474612 has 12 divisors (see below), whose sum is σ = 451322949280. Its totient is φ = 96712060536.

The previous prime is 225661474589. The next prime is 225661474627. The reversal of 225661474612 is 216474166522.

225661474612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

225661474612 is an admirable number.

It is a super-2 number, since 2×225661474612² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4029669162 + ... + 4029669217.

Almost surely, 2^225661474612 is an apocalyptic number.

It is an amenable number.

225661474612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225661474612 is a wasteful number, since it uses less digits than its factorization.

225661474612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8059338390 (or 8059338388 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The spelling of 225661474612 in words is "two hundred twenty-five billion, six hundred sixty-one million, four hundred seventy-four thousand, six hundred twelve".