224487521568 has 54 divisors (see below), whose sum is σ = 638409255939. Its totient is φ = 74826493632.

The previous prime is 224487521539. The next prime is 224487521569. The reversal of 224487521568 is 865125784422.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

224487521568 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 8 + 75 + 2 + 1 + 568 = 666.

224487521568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 112243760784 + 112243760784 = 335028^2 + 335028^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335028.

It is not an unprimeable number, because it can be changed into a prime (224487521569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8026713 + ... + 8054631.

Almost surely, 2^224487521568 is an apocalyptic number.

It is an amenable number.

224487521568 is an abundant number, since it is smaller than the sum of its proper divisors (413921734371).

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

224487521568 is an frugal number, since it uses more digits than its factorization.

224487521568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55854 (or 27924 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 224487521568 in words is "two hundred twenty-four billion, four hundred eighty-seven million, five hundred twenty-one thousand, five hundred sixty-eight".