224034021 has 12 divisors (see below), whose sum is σ = 329711148. Its totient is φ = 146537664.

The previous prime is 224034011. The next prime is 224034079. The reversal of 224034021 is 120430422.

It can be written as a sum of positive squares in 2 ways, for example, as 155376225 + 68657796 = 12465^2 + 8286^2 .

It is not a de Polignac number, because 224034021 - 2⁵ = 224033989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224033985 and 224034003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224034011) 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 11 ways as a sum of consecutive naturals, for example, 234360 + ... + 235313.

It is an arithmetic number, because the mean of its divisors is an integer number (27475929).

Almost surely, 2^224034021 is an apocalyptic number.

It is an amenable number.

224034021 is a deficient number, since it is larger than the sum of its proper divisors (105677127).

224034021 is a wasteful number, since it uses less digits than its factorization.

224034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469732 (or 469729 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 224034021 is about 14967.7660657828. The cubic root of 224034021 is about 607.3485391858.

Adding to 224034021 its reverse (120430422), we get a palindrome (344464443).

The spelling of 224034021 in words is "two hundred twenty-four million, thirty-four thousand, twenty-one".