4223334033421 has 4 divisors (see below), whose sum is σ = 4368966241500. Its totient is φ = 4077701825344.

The previous prime is 4223334033383. The next prime is 4223334033433. The reversal of 4223334033421 is 1243304333224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1228838760900 + 2994495272521 = 1108530^2 + 1730461^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223334033421 - 2⁷ = 4223334033293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223334073421) 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, 72816103996 + ... + 72816104053.

It is an arithmetic number, because the mean of its divisors is an integer number (1092241560375).

Almost surely, 2^{4223334033421} is an apocalyptic number.

It is an amenable number.

4223334033421 is a deficient number, since it is larger than the sum of its proper divisors (145632208079).

4223334033421 is a wasteful number, since it uses less digits than its factorization.

4223334033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145632208078.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 4223334033421 its reverse (1243304333224), we get a palindrome (5466638366645).

The spelling of 4223334033421 in words is "four trillion, two hundred twenty-three billion, three hundred thirty-four million, thirty-three thousand, four hundred twenty-one".