225212623334528 has 32 divisors (see below), whose sum is σ = 454071384794160. Its totient is φ = 111249609111808.

The previous prime is 225212623334527. The next prime is 225212623334579. The reversal of 225212623334528 is 825433326212522.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (225212623334521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10599228050 + ... + 10599249297.

Almost surely, 2^{225212623334528} is an apocalyptic number.

It is an amenable number.

225212623334528 is an abundant number, since it is smaller than the sum of its proper divisors (228858761459632).

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

225212623334528 is an equidigital number, since it uses as much as digits as its factorization.

225212623334528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21198477444 (or 21198477432 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 50.

The spelling of 225212623334528 in words is "two hundred twenty-five trillion, two hundred twelve billion, six hundred twenty-three million, three hundred thirty-four thousand, five hundred twenty-eight".