225805050 has 96 divisors (see below), whose sum is σ = 658886400. Its totient is φ = 56666880.

The previous prime is 225805037. The next prime is 225805087. The reversal of 225805050 is 50508522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18031 + ... + 27869.

It is an arithmetic number, because the mean of its divisors is an integer number (6863400).

Almost surely, 2^225805050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225805050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329443200).

225805050 is an abundant number, since it is smaller than the sum of its proper divisors (433081350).

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

225805050 is a wasteful number, since it uses less digits than its factorization.

225805050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877 (or 9866 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 225805050 is about 15026.8110389397. The cubic root of 225805050 is about 608.9447400659.

The spelling of 225805050 in words is "two hundred twenty-five million, eight hundred five thousand, fifty".