225043650 has 96 divisors (see below), whose sum is σ = 667873920. Its totient is φ = 55391040.

The previous prime is 225043607. The next prime is 225043667. The reversal of 225043650 is 56340522.

225043650 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 4 + 3 + 650 = 666.

225043650 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 (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, 11139 + ... + 23961.

It is an arithmetic number, because the mean of its divisors is an integer number (6957020).

Almost surely, 2^225043650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225043650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333936960).

225043650 is an abundant number, since it is smaller than the sum of its proper divisors (442830270).

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

225043650 is a wasteful number, since it uses less digits than its factorization.

225043650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857 (or 12846 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 225043650 is about 15001.4549294393. The cubic root of 225043650 is about 608.2595285871.

The spelling of 225043650 in words is "two hundred twenty-five million, forty-three thousand, six hundred fifty".