225546363600 has 240 divisors, whose sum is σ = 740587623168. Its totient is φ = 58649425920.

The previous prime is 225546363589. The next prime is 225546363607. The reversal of 225546363600 is 6363645522.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225546363607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15615582 + ... + 15630018.

Almost surely, 2^225546363600 is an apocalyptic number.

225546363600 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 225546363600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370293811584).

225546363600 is an abundant number, since it is smaller than the sum of its proper divisors (515041259568).

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

225546363600 is a wasteful number, since it uses less digits than its factorization.

225546363600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782 (or 14771 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 225546363600 in words is "two hundred twenty-five billion, five hundred forty-six million, three hundred sixty-three thousand, six hundred".