225409650 has 48 divisors (see below), whose sum is σ = 570927744. Its totient is φ = 58828480.

The previous prime is 225409643. The next prime is 225409651. The reversal of 225409650 is 56904522.

It is not an unprimeable number, because it can be changed into a prime (225409651) 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, 8937 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (11894328).

Almost surely, 2^225409650 is an apocalyptic number.

225409650 is an abundant number, since it is smaller than the sum of its proper divisors (345518094).

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

225409650 is a wasteful number, since it uses less digits than its factorization.

225409650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32035 (or 32030 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 225409650 is about 15013.6487903507. The cubic root of 225409650 is about 608.5890978487.

The spelling of 225409650 in words is "two hundred twenty-five million, four hundred nine thousand, six hundred fifty".