4223413430221 has 4 divisors (see below), whose sum is σ = 4236172987744. Its totient is φ = 4210653872700.

The previous prime is 4223413430207. The next prime is 4223413430237. The reversal of 4223413430221 is 1220343143224.

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 4223413430221 - 2¹¹ = 4223413428173 is a prime.

It is a super-2 number, since 2×4223413430221² (a number of 26 digits) contains 22 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 (4223413439221) 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, 6379778265 + ... + 6379778926.

It is an arithmetic number, because the mean of its divisors is an integer number (1059043246936).

Almost surely, 2^{4223413430221} is an apocalyptic number.

It is an amenable number.

4223413430221 is a deficient number, since it is larger than the sum of its proper divisors (12759557523).

4223413430221 is a wasteful number, since it uses less digits than its factorization.

4223413430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12759557522.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4223413430221 its reverse (1220343143224), we get a palindrome (5443756573445).

The spelling of 4223413430221 in words is "four trillion, two hundred twenty-three billion, four hundred thirteen million, four hundred thirty thousand, two hundred twenty-one".