225224985 has 8 divisors (see below), whose sum is σ = 360360000. Its totient is φ = 120119984.

The previous prime is 225224983. The next prime is 225225029. The reversal of 225224985 is 589422522.

225224985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225224985 - 2¹ = 225224983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225224981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7507485 + ... + 7507514.

It is an arithmetic number, because the mean of its divisors is an integer number (45045000).

Almost surely, 2^225224985 is an apocalyptic number.

It is an amenable number.

225224985 is a deficient number, since it is larger than the sum of its proper divisors (135135015).

225224985 is a wasteful number, since it uses less digits than its factorization.

225224985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015007.

The product of its digits is 115200, while the sum is 39.

The square root of 225224985 is about 15007.4976261867. The cubic root of 225224985 is about 608.4228585744.

The spelling of 225224985 in words is "two hundred twenty-five million, two hundred twenty-four thousand, nine hundred eighty-five".