225202550 has 24 divisors (see below), whose sum is σ = 419645016. Its totient is φ = 89915840.

The previous prime is 225202547. The next prime is 225202589. The reversal of 225202550 is 55202522.

It is a happy number.

225202550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25514 + ... + 33186.

It is an arithmetic number, because the mean of its divisors is an integer number (17485209).

Almost surely, 2^225202550 is an apocalyptic number.

225202550 is a deficient number, since it is larger than the sum of its proper divisors (194442466).

225202550 is a wasteful number, since it uses less digits than its factorization.

225202550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272 (or 8267 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 225202550 is about 15006.7501478501. The cubic root of 225202550 is about 608.4026559311.

The spelling of 225202550 in words is "two hundred twenty-five million, two hundred two thousand, five hundred fifty".