224224121 has 8 divisors (see below), whose sum is σ = 250574688. Its totient is φ = 198868000.

The previous prime is 224224081. The next prime is 224224127. The reversal of 224224121 is 121422422.

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

It is a cyclic number.

It is not a de Polignac number, because 224224121 - 2⁶ = 224224057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224224093 and 224224102.

It is not an unprimeable number, because it can be changed into a prime (224224127) 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 7 ways as a sum of consecutive naturals, for example, 248135 + ... + 249036.

It is an arithmetic number, because the mean of its divisors is an integer number (31321836).

Almost surely, 2^224224121 is an apocalyptic number.

It is an amenable number.

224224121 is a deficient number, since it is larger than the sum of its proper divisors (26350567).

224224121 is a wasteful number, since it uses less digits than its factorization.

224224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497223.

The product of its digits is 512, while the sum is 20.

The square root of 224224121 is about 14974.1150322815. The cubic root of 224224121 is about 607.5202754781.

Adding to 224224121 its reverse (121422422), we get a palindrome (345646543).

The spelling of 224224121 in words is "two hundred twenty-four million, two hundred twenty-four thousand, one hundred twenty-one".