224521334664225 has 96 divisors (see below), whose sum is σ = 373244640337920. Its totient is φ = 119089940256000.

The previous prime is 224521334664223. The next prime is 224521334664259. The reversal of 224521334664225 is 522466433125422.

It is not a de Polignac number, because 224521334664225 - 2¹ = 224521334664223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224521334664223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26330631912 + ... + 26330640438.

It is an arithmetic number, because the mean of its divisors is an integer number (3887965003520).

Almost surely, 2^{224521334664225} is an apocalyptic number.

224521334664225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224521334664225 is a deficient number, since it is larger than the sum of its proper divisors (148723305673695).

224521334664225 is a wasteful number, since it uses less digits than its factorization.

224521334664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271 (or 11266 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 51.

Adding to 224521334664225 its reverse (522466433125422), we get a palindrome (746987767789647).

The spelling of 224521334664225 in words is "two hundred twenty-four trillion, five hundred twenty-one billion, three hundred thirty-four million, six hundred sixty-four thousand, two hundred twenty-five".