225665355 has 8 divisors (see below), whose sum is σ = 361064592. Its totient is φ = 120354848.

The previous prime is 225665347. The next prime is 225665369. The reversal of 225665355 is 553566522.

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

It is a cyclic number.

It is not a de Polignac number, because 225665355 - 2³ = 225665347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7522164 + ... + 7522193.

It is an arithmetic number, because the mean of its divisors is an integer number (45133074).

Almost surely, 2^225665355 is an apocalyptic number.

225665355 is a deficient number, since it is larger than the sum of its proper divisors (135399237).

225665355 is a wasteful number, since it uses less digits than its factorization.

225665355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15044365.

The product of its digits is 270000, while the sum is 39.

The square root of 225665355 is about 15022.1621280027. The cubic root of 225665355 is about 608.8191389722.

The spelling of 225665355 in words is "two hundred twenty-five million, six hundred sixty-five thousand, three hundred fifty-five".