225445485 has 16 divisors (see below), whose sum is σ = 372349440. Its totient is φ = 116358720.

The previous prime is 225445481. The next prime is 225445487. The reversal of 225445485 is 584544522.

It is not a de Polignac number, because 225445485 - 2² = 225445481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225445481) 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 15 ways as a sum of consecutive naturals, for example, 241950 + ... + 242879.

It is an arithmetic number, because the mean of its divisors is an integer number (23271840).

Almost surely, 2^225445485 is an apocalyptic number.

It is an amenable number.

225445485 is a deficient number, since it is larger than the sum of its proper divisors (146903955).

225445485 is a wasteful number, since it uses less digits than its factorization.

225445485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484868.

The product of its digits is 256000, while the sum is 39.

The square root of 225445485 is about 15014.8421570125. The cubic root of 225445485 is about 608.6213467412.

The spelling of 225445485 in words is "two hundred twenty-five million, four hundred forty-five thousand, four hundred eighty-five".