225655305000 has 160 divisors (see below), whose sum is σ = 742050592800. Its totient is φ = 57007584000.

The previous prime is 225655304989. The next prime is 225655305061. The reversal of 225655305000 is 503556522.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 110887 + ... + 680886.

It is an arithmetic number, because the mean of its divisors is an integer number (4637816205).

Almost surely, 2^225655305000 is an apocalyptic number.

225655305000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225655305000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371025296400).

225655305000 is an abundant number, since it is smaller than the sum of its proper divisors (516395287800).

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

225655305000 is a wasteful number, since it uses less digits than its factorization.

225655305000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791821 (or 791802 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 225655305000 in words is "two hundred twenty-five billion, six hundred fifty-five million, three hundred five thousand".