225724272162 has 8 divisors (see below), whose sum is σ = 451448544336. Its totient is φ = 75241424052.

The previous prime is 225724272161. The next prime is 225724272199. The reversal of 225724272162 is 261272427522.

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

225724272162 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (225724272161) 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 3 ways as a sum of consecutive naturals, for example, 18810356008 + ... + 18810356019.

It is an arithmetic number, because the mean of its divisors is an integer number (56431068042).

Almost surely, 2^225724272162 is an apocalyptic number.

225724272162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225724272162 is a wasteful number, since it uses less digits than its factorization.

225724272162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37620712032.

The product of its digits is 376320, while the sum is 42.

Adding to 225724272162 its reverse (261272427522), we get a palindrome (486996699684).

The spelling of 225724272162 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred seventy-two thousand, one hundred sixty-two".