225045600 has 144 divisors (see below), whose sum is σ = 788980752. Its totient is φ = 55388160.

The previous prime is 225045599. The next prime is 225045607. The reversal of 225045600 is 6540522.

225045600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225045607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27594 + ... + 34806.

It is an arithmetic number, because the mean of its divisors is an integer number (5479033).

Almost surely, 2^225045600 is an apocalyptic number.

225045600 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 225045600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394490376).

225045600 is an abundant number, since it is smaller than the sum of its proper divisors (563935152).

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

225045600 is a wasteful number, since it uses less digits than its factorization.

225045600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249 (or 7236 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225045600 is about 15001.5199229945. The cubic root of 225045600 is about 608.2612854354.

The spelling of 225045600 in words is "two hundred twenty-five million, forty-five thousand, six hundred".