225681625588 has 6 divisors (see below), whose sum is σ = 394942844786. Its totient is φ = 112840812792.

The previous prime is 225681625553. The next prime is 225681625607. The reversal of 225681625588 is 885526186522.

225681625588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 225522411664 + 159213924 = 474892^2 + 12618^2 .

It is a super-2 number, since 2×225681625588² (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 as a sum of consecutive naturals, namely, 28210203195 + ... + 28210203202.

Almost surely, 2^225681625588 is an apocalyptic number.

It is an amenable number.

225681625588 is a deficient number, since it is larger than the sum of its proper divisors (169261219198).

225681625588 is a wasteful number, since it uses less digits than its factorization.

225681625588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56420406401 (or 56420406399 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 58.

The spelling of 225681625588 in words is "two hundred twenty-five billion, six hundred eighty-one million, six hundred twenty-five thousand, five hundred eighty-eight".