224033450021 has 16 divisors (see below), whose sum is σ = 229613764800. Its totient is φ = 218514578688.

The previous prime is 224033449999. The next prime is 224033450023. The reversal of 224033450021 is 120054330422.

It is a cyclic number.

It is not a de Polignac number, because 224033450021 - 2⁶ = 224033449957 is a prime.

It is a super-3 number, since 3×224033450021³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224033450023) 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, 14565491 + ... + 14580863.

It is an arithmetic number, because the mean of its divisors is an integer number (14350860300).

Almost surely, 2^224033450021 is an apocalyptic number.

It is an amenable number.

224033450021 is a deficient number, since it is larger than the sum of its proper divisors (5580314779).

224033450021 is a wasteful number, since it uses less digits than its factorization.

224033450021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17348.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 224033450021 its reverse (120054330422), we get a palindrome (344087780443).

The spelling of 224033450021 in words is "two hundred twenty-four billion, thirty-three million, four hundred fifty thousand, twenty-one".