225680550 has 24 divisors (see below), whose sum is σ = 559688136. Its totient is φ = 60181440.

The previous prime is 225680489. The next prime is 225680551. The reversal of 225680550 is 55086522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225680551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752119 + ... + 752418.

It is an arithmetic number, because the mean of its divisors is an integer number (23320339).

Almost surely, 2^225680550 is an apocalyptic number.

225680550 is an abundant number, since it is smaller than the sum of its proper divisors (334007586).

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

225680550 is a wasteful number, since it uses less digits than its factorization.

225680550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504552 (or 1504547 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 225680550 is about 15022.6678722523. The cubic root of 225680550 is about 608.8328034522.

The spelling of 225680550 in words is "two hundred twenty-five million, six hundred eighty thousand, five hundred fifty".