225068555 has 4 divisors (see below), whose sum is σ = 270082272. Its totient is φ = 180054840.

The previous prime is 225068537. The next prime is 225068567. The reversal of 225068555 is 555860522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 225068555 - 2¹² = 225064459 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22506851 + ... + 22506860.

It is an arithmetic number, because the mean of its divisors is an integer number (67520568).

Almost surely, 2^225068555 is an apocalyptic number.

225068555 is a deficient number, since it is larger than the sum of its proper divisors (45013717).

225068555 is an equidigital number, since it uses as much as digits as its factorization.

225068555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45013716.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 225068555 is about 15002.2849926270. The cubic root of 225068555 is about 608.2819659302.

The spelling of 225068555 in words is "two hundred twenty-five million, sixty-eight thousand, five hundred fifty-five".