4222224443421 has 12 divisors (see below), whose sum is σ = 6099295500480. Its totient is φ = 2814573129480.

The previous prime is 4222224443417. The next prime is 4222224443453. The reversal of 4222224443421 is 1243444222224.

4222224443421 is a `hidden beast` number, since 4 + 2 + 2 + 2 + 224 + 4 + 4 + 3 + 421 = 666.

It is not a de Polignac number, because 4222224443421 - 2² = 4222224443417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222224443471) 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, 20153845 + ... + 20362266.

It is an arithmetic number, because the mean of its divisors is an integer number (508274625040).

Almost surely, 2^{4222224443421} is an apocalyptic number.

It is an amenable number.

4222224443421 is a deficient number, since it is larger than the sum of its proper divisors (1877071057059).

4222224443421 is a wasteful number, since it uses less digits than its factorization.

4222224443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40527696 (or 40527693 counting only the distinct ones).

The product of its digits is 196608, while the sum is 36.

Adding to 4222224443421 its reverse (1243444222224), we get a palindrome (5465668665645).

The spelling of 4222224443421 in words is "four trillion, two hundred twenty-two billion, two hundred twenty-four million, four hundred forty-three thousand, four hundred twenty-one".