225645897216 has 80 divisors (see below), whose sum is σ = 601243665264. Its totient is φ = 75201675264.

The previous prime is 225645897199. The next prime is 225645897251. The reversal of 225645897216 is 612798546522.

225645897216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11997516 + ... + 12016308.

Almost surely, 2^225645897216 is an apocalyptic number.

It is an amenable number.

225645897216 is an abundant number, since it is smaller than the sum of its proper divisors (375597768048).

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

225645897216 is an equidigital number, since it uses as much as digits as its factorization.

225645897216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26631 (or 26615 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The spelling of 225645897216 in words is "two hundred twenty-five billion, six hundred forty-five million, eight hundred ninety-seven thousand, two hundred sixteen".