225285558 has 8 divisors (see below), whose sum is σ = 450571128. Its totient is φ = 75095184.

The previous prime is 225285553. The next prime is 225285569. The reversal of 225285558 is 855582522.

It is a sphenic number, since it is the product of 3 distinct primes.

225285558 is an admirable number.

It is a super-3 number, since 3×225285558³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225285553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18773791 + ... + 18773802.

It is an arithmetic number, because the mean of its divisors is an integer number (56321391).

Almost surely, 2^225285558 is an apocalyptic number.

225285558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225285558 is a wasteful number, since it uses less digits than its factorization.

225285558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37547598.

The product of its digits is 320000, while the sum is 42.

The square root of 225285558 is about 15009.5155817901. The cubic root of 225285558 is about 608.4773976603.

The spelling of 225285558 in words is "two hundred twenty-five million, two hundred eighty-five thousand, five hundred fifty-eight".