224534242521 has 12 divisors (see below), whose sum is σ = 325560426048. Its totient is φ = 149120331864.

The previous prime is 224534242519. The next prime is 224534242529. The reversal of 224534242521 is 125242435422.

224534242521 is a `hidden beast` number, since 2 + 2 + 4 + 53 + 42 + 42 + 521 = 666.

It is not a de Polignac number, because 224534242521 - 2¹ = 224534242519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224534242529) 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 11 ways as a sum of consecutive naturals, for example, 47427765 + ... + 47432498.

It is an arithmetic number, because the mean of its divisors is an integer number (27130035504).

Almost surely, 2^224534242521 is an apocalyptic number.

It is an amenable number.

224534242521 is a deficient number, since it is larger than the sum of its proper divisors (101026183527).

224534242521 is a wasteful number, since it uses less digits than its factorization.

224534242521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94860532 (or 94860529 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

Adding to 224534242521 its reverse (125242435422), we get a palindrome (349776677943).

The spelling of 224534242521 in words is "two hundred twenty-four billion, five hundred thirty-four million, two hundred forty-two thousand, five hundred twenty-one".