4223341340221 has 8 divisors (see below), whose sum is σ = 4226844628440. Its totient is φ = 4219839285312.

The previous prime is 4223341340219. The next prime is 4223341340227. The reversal of 4223341340221 is 1220431433224.

It can be written as a sum of positive squares in 4 ways, for example, as 1080765625 + 4222260574596 = 32875^2 + 2054814^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4223341340221 - 2¹ = 4223341340219 is a prime.

It is a super-2 number, since 2×4223341340221² (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 (4223341340227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6607471 + ... + 7218403.

It is an arithmetic number, because the mean of its divisors is an integer number (528355578555).

Almost surely, 2^{4223341340221} is an apocalyptic number.

It is an amenable number.

4223341340221 is a deficient number, since it is larger than the sum of its proper divisors (3503288219).

4223341340221 is a wasteful number, since it uses less digits than its factorization.

4223341340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616655.

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

Adding to 4223341340221 its reverse (1220431433224), we get a palindrome (5443772773445).

The spelling of 4223341340221 in words is "four trillion, two hundred twenty-three billion, three hundred forty-one million, three hundred forty thousand, two hundred twenty-one".