224848221 has 16 divisors (see below), whose sum is σ = 323132544. Its totient is φ = 138250944.

The previous prime is 224848219. The next prime is 224848229. The reversal of 224848221 is 122848422.

It is not a de Polignac number, because 224848221 - 2¹ = 224848219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224848229) 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 15 ways as a sum of consecutive naturals, for example, 76440 + ... + 79326.

It is an arithmetic number, because the mean of its divisors is an integer number (20195784).

Almost surely, 2^224848221 is an apocalyptic number.

It is an amenable number.

224848221 is a deficient number, since it is larger than the sum of its proper divisors (98284323).

224848221 is a wasteful number, since it uses less digits than its factorization.

224848221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900.

The product of its digits is 16384, while the sum is 33.

The square root of 224848221 is about 14994.9398464949. The cubic root of 224848221 is about 608.0834057511.

The spelling of 224848221 in words is "two hundred twenty-four million, eight hundred forty-eight thousand, two hundred twenty-one".