21224000023335 has 24 divisors (see below), whose sum is σ = 37132082292240. Its totient is φ = 11213677268352.

The previous prime is 21224000023279. The next prime is 21224000023339. The reversal of 21224000023335 is 53332000042212.

21224000023335 is a `hidden beast` number, since 2 + 1 + 22 + 400 + 0 + 0 + 233 + 3 + 5 = 666.

It is not a de Polignac number, because 21224000023335 - 2²⁴ = 21223983246119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21224000023299 and 21224000023308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21224000023339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2203941190 + ... + 2203950819.

It is an arithmetic number, because the mean of its divisors is an integer number (1547170095510).

Almost surely, 2^{21224000023335} is an apocalyptic number.

21224000023335 is a deficient number, since it is larger than the sum of its proper divisors (15908082268905).

21224000023335 is a wasteful number, since it uses less digits than its factorization.

21224000023335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407892127 (or 4407892124 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 21224000023335 its reverse (53332000042212), we get a palindrome (74556000065547).

The spelling of 21224000023335 in words is "twenty-one trillion, two hundred twenty-four billion, twenty-three thousand, three hundred thirty-five".