225555575 has 36 divisors (see below), whose sum is σ = 344522592. Its totient is φ = 145555200.

The previous prime is 225555563. The next prime is 225555581. The reversal of 225555575 is 575555522.

It is not a de Polignac number, because 225555575 - 2¹⁴ = 225539191 is a prime.

It is a Duffinian number.

It is a congruent 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 35 ways as a sum of consecutive naturals, for example, 15410 + ... + 26240.

It is an arithmetic number, because the mean of its divisors is an integer number (9570072).

Almost surely, 2^225555575 is an apocalyptic number.

225555575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225555575 is a deficient number, since it is larger than the sum of its proper divisors (118967017).

225555575 is a wasteful number, since it uses less digits than its factorization.

225555575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872 (or 10860 counting only the distinct ones).

The product of its digits is 437500, while the sum is 41.

The square root of 225555575 is about 15018.5077487745. The cubic root of 225555575 is about 608.7203983599.

The spelling of 225555575 in words is "two hundred twenty-five million, five hundred fifty-five thousand, five hundred seventy-five".