225333155 has 8 divisors (see below), whose sum is σ = 270480384. Its totient is φ = 180212800.

The previous prime is 225333107. The next prime is 225333169. The reversal of 225333155 is 551333522.

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

It is not a de Polignac number, because 225333155 - 2⁶ = 225333091 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 29150 + ... + 36060.

It is an arithmetic number, because the mean of its divisors is an integer number (33810048).

Almost surely, 2^225333155 is an apocalyptic number.

225333155 is a deficient number, since it is larger than the sum of its proper divisors (45147229).

225333155 is an equidigital number, since it uses as much as digits as its factorization.

225333155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437.

The product of its digits is 13500, while the sum is 29.

The square root of 225333155 is about 15011.1010588831. The cubic root of 225333155 is about 608.5202464778.

Adding to 225333155 its reverse (551333522), we get a palindrome (776666677).

The spelling of 225333155 in words is "two hundred twenty-five million, three hundred thirty-three thousand, one hundred fifty-five".