225054775 has 24 divisors (see below), whose sum is σ = 305230464. Its totient is φ = 163250400.

The previous prime is 225054773. The next prime is 225054799. The reversal of 225054775 is 577450522.

It is not a de Polignac number, because 225054775 - 2¹ = 225054773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225054773) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 137512 + ... + 139138.

It is an arithmetic number, because the mean of its divisors is an integer number (12717936).

Almost surely, 2^225054775 is an apocalyptic number.

225054775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225054775 is a deficient number, since it is larger than the sum of its proper divisors (80175689).

225054775 is a wasteful number, since it uses less digits than its factorization.

225054775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 225054775 is about 15001.8257222246. The cubic root of 225054775 is about 608.2695514956.

The spelling of 225054775 in words is "two hundred twenty-five million, fifty-four thousand, seven hundred seventy-five".