225646412506 has 16 divisors (see below), whose sum is σ = 361301895360. Its totient is φ = 105379716960.

The previous prime is 225646412371. The next prime is 225646412513. The reversal of 225646412506 is 605214646522.

It is a happy number.

225646412506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41814651 + ... + 41820046.

It is an arithmetic number, because the mean of its divisors is an integer number (22581368460).

Almost surely, 2^225646412506 is an apocalyptic number.

225646412506 is a deficient number, since it is larger than the sum of its proper divisors (135655482854).

225646412506 is a wasteful number, since it uses less digits than its factorization.

225646412506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83634789.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 225646412506 in words is "two hundred twenty-five billion, six hundred forty-six million, four hundred twelve thousand, five hundred six".