4224223585021 has 4 divisors (see below), whose sum is σ = 4608243910944. Its totient is φ = 3840203259100.

The previous prime is 4224223585019. The next prime is 4224223585051. The reversal of 4224223585021 is 1205853224224.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4224223585021 - 2¹ = 4224223585019 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224223585051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192010162945 + ... + 192010162966.

It is an arithmetic number, because the mean of its divisors is an integer number (1152060977736).

Almost surely, 2^{4224223585021} is an apocalyptic number.

It is an amenable number.

4224223585021 is a deficient number, since it is larger than the sum of its proper divisors (384020325923).

4224223585021 is a wasteful number, since it uses less digits than its factorization.

4224223585021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384020325922.

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 4224223585021 in words is "four trillion, two hundred twenty-four billion, two hundred twenty-three million, five hundred eighty-five thousand, twenty-one".