224053521 has 8 divisors (see below), whose sum is σ = 305685600. Its totient is φ = 145895232.

The previous prime is 224053517. The next prime is 224053541. The reversal of 224053521 is 125350422.

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

It is not a de Polignac number, because 224053521 - 2² = 224053517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224053491 and 224053500.

It is not an unprimeable number, because it can be changed into a prime (224053541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868296 + ... + 868553.

It is an arithmetic number, because the mean of its divisors is an integer number (38210700).

Almost surely, 2^224053521 is an apocalyptic number.

It is an amenable number.

224053521 is a deficient number, since it is larger than the sum of its proper divisors (81632079).

224053521 is a wasteful number, since it uses less digits than its factorization.

224053521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736895.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 224053521 is about 14968.4174514208. The cubic root of 224053521 is about 607.3661599514.

The spelling of 224053521 in words is "two hundred twenty-four million, fifty-three thousand, five hundred twenty-one".