225655718 has 8 divisors (see below), whose sum is σ = 346739400. Its totient is φ = 110075920.

The previous prime is 225655709. The next prime is 225655747. The reversal of 225655718 is 817556522.

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

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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, 1375868 + ... + 1376031.

It is an arithmetic number, because the mean of its divisors is an integer number (43342425).

Almost surely, 2^225655718 is an apocalyptic number.

225655718 is a deficient number, since it is larger than the sum of its proper divisors (121083682).

225655718 is a wasteful number, since it uses less digits than its factorization.

225655718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751942.

The product of its digits is 168000, while the sum is 41.

The square root of 225655718 is about 15021.8413651589. The cubic root of 225655718 is about 608.8104723434.

The spelling of 225655718 in words is "two hundred twenty-five million, six hundred fifty-five thousand, seven hundred eighteen".