225281773 has 16 divisors (see below), whose sum is σ = 252521280. Its totient is φ = 199938816.

The previous prime is 225281767. The next prime is 225281783. The reversal of 225281773 is 377182522.

It is a cyclic number.

It is not a de Polignac number, because 225281773 - 2⁹ = 225281261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225281713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15886 + ... + 26512.

It is an arithmetic number, because the mean of its divisors is an integer number (15782580).

Almost surely, 2^225281773 is an apocalyptic number.

It is an amenable number.

225281773 is a deficient number, since it is larger than the sum of its proper divisors (27239507).

225281773 is a wasteful number, since it uses less digits than its factorization.

225281773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10716.

The product of its digits is 47040, while the sum is 37.

The square root of 225281773 is about 15009.3894945797. The cubic root of 225281773 is about 608.4739899853.

The spelling of 225281773 in words is "two hundred twenty-five million, two hundred eighty-one thousand, seven hundred seventy-three".