225828550 has 12 divisors (see below), whose sum is σ = 420041196. Its totient is φ = 90331400.

The previous prime is 225828541. The next prime is 225828557. The reversal of 225828550 is 55828522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225828557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2258236 + ... + 2258335.

It is an arithmetic number, because the mean of its divisors is an integer number (35003433).

Almost surely, 2^225828550 is an apocalyptic number.

225828550 is a deficient number, since it is larger than the sum of its proper divisors (194212646).

225828550 is a wasteful number, since it uses less digits than its factorization.

225828550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516583 (or 4516578 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 225828550 is about 15027.5929542958. The cubic root of 225828550 is about 608.9658640472.

The spelling of 225828550 in words is "two hundred twenty-five million, eight hundred twenty-eight thousand, five hundred fifty".