225355505 has 8 divisors (see below), whose sum is σ = 274463232. Its totient is φ = 177593328.

The previous prime is 225355489. The next prime is 225355513. The reversal of 225355505 is 505553522.

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 225355505 - 2⁴ = 225355489 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, 336017 + ... + 336686.

It is an arithmetic number, because the mean of its divisors is an integer number (34307904).

Almost surely, 2^225355505 is an apocalyptic number.

It is an amenable number.

225355505 is a deficient number, since it is larger than the sum of its proper divisors (49107727).

225355505 is an equidigital number, since it uses as much as digits as its factorization.

225355505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672775.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 225355505 is about 15011.8454894793. The cubic root of 225355505 is about 608.5403648042.

The spelling of 225355505 in words is "two hundred twenty-five million, three hundred fifty-five thousand, five hundred five".