225534365 has 8 divisors (see below), whose sum is σ = 309304320. Its totient is φ = 154652112.

The previous prime is 225534349. The next prime is 225534367. The reversal of 225534365 is 563435522.

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 225534365 - 2⁴ = 225534349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 6443839 = 225534365 / (2 + 2 + 5 + 5 + 3 + 4 + 3 + 6 + 5).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225534367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3221885 + ... + 3221954.

It is an arithmetic number, because the mean of its divisors is an integer number (38663040).

Almost surely, 2^225534365 is an apocalyptic number.

It is an amenable number.

225534365 is a deficient number, since it is larger than the sum of its proper divisors (83769955).

225534365 is an equidigital number, since it uses as much as digits as its factorization.

225534365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443851.

The product of its digits is 108000, while the sum is 35.

The square root of 225534365 is about 15017.8016034305. The cubic root of 225534365 is about 608.7013175275.

Adding to 225534365 its reverse (563435522), we get a palindrome (788969887).

The spelling of 225534365 in words is "two hundred twenty-five million, five hundred thirty-four thousand, three hundred sixty-five".