225212673 has 48 divisors (see below), whose sum is σ = 366799104. Its totient is φ = 122411520.

The previous prime is 225212633. The next prime is 225212677. The reversal of 225212673 is 376212522.

It is not a de Polignac number, because 225212673 - 2⁸ = 225212417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225212673.

It is not an unprimeable number, because it can be changed into a prime (225212677) 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 47 ways as a sum of consecutive naturals, for example, 255193 + ... + 256073.

It is an arithmetic number, because the mean of its divisors is an integer number (7641648).

Almost surely, 2^225212673 is an apocalyptic number.

It is an amenable number.

225212673 is a deficient number, since it is larger than the sum of its proper divisors (141586431).

225212673 is a wasteful number, since it uses less digits than its factorization.

225212673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 975 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 225212673 is about 15007.0874256133. The cubic root of 225212673 is about 608.4117718252.

The spelling of 225212673 in words is "two hundred twenty-five million, two hundred twelve thousand, six hundred seventy-three".