224455453204521 has 32 divisors (see below), whose sum is σ = 385986986265600. Its totient is φ = 112579537654080.

The previous prime is 224455453204447. The next prime is 224455453204559. The reversal of 224455453204521 is 125402354554422.

It is a happy number.

It is not a de Polignac number, because 224455453204521 - 2¹³ = 224455453196329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224455453200521) 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 31 ways as a sum of consecutive naturals, for example, 16752900691 + ... + 16752914088.

It is an arithmetic number, because the mean of its divisors is an integer number (12062093320800).

Almost surely, 2^{224455453204521} is an apocalyptic number.

224455453204521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224455453204521 is a deficient number, since it is larger than the sum of its proper divisors (161531533061079).

224455453204521 is a wasteful number, since it uses less digits than its factorization.

224455453204521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33505814829.

The product of its (nonzero) digits is 7680000, while the sum is 48.

The spelling of 224455453204521 in words is "two hundred twenty-four trillion, four hundred fifty-five billion, four hundred fifty-three million, two hundred four thousand, five hundred twenty-one".