225155105 has 8 divisors (see below), whose sum is σ = 308784192. Its totient is φ = 154392048.

The previous prime is 225155081. The next prime is 225155221. The reversal of 225155105 is 501551522.

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 225155105 - 2¹⁸ = 224892961 is a prime.

It is a super-3 number, since 3×225155105³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216467 + ... + 3216536.

It is an arithmetic number, because the mean of its divisors is an integer number (38598024).

Almost surely, 2^225155105 is an apocalyptic number.

It is an amenable number.

225155105 is a deficient number, since it is larger than the sum of its proper divisors (83629087).

225155105 is an equidigital number, since it uses as much as digits as its factorization.

225155105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433015.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 225155105 is about 15005.1692759529. The cubic root of 225155105 is about 608.3599274460.

The spelling of 225155105 in words is "two hundred twenty-five million, one hundred fifty-five thousand, one hundred five".