4223332243021 has 4 divisors (see below), whose sum is σ = 4471763551452. Its totient is φ = 3974900934592.

The previous prime is 4223332242989. The next prime is 4223332243033. The reversal of 4223332243021 is 1203422333224.

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 2195698640521 + 2027633602500 = 1481789^2 + 1423950^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223332243021 - 2⁵ = 4223332242989 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 (4223332243121) 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, 124215654190 + ... + 124215654223.

It is an arithmetic number, because the mean of its divisors is an integer number (1117940887863).

Almost surely, 2^{4223332243021} is an apocalyptic number.

It is an amenable number.

4223332243021 is a deficient number, since it is larger than the sum of its proper divisors (248431308431).

4223332243021 is a wasteful number, since it uses less digits than its factorization.

4223332243021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248431308430.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 4223332243021 its reverse (1203422333224), we get a palindrome (5426754576245).

The spelling of 4223332243021 in words is "four trillion, two hundred twenty-three billion, three hundred thirty-two million, two hundred forty-three thousand, twenty-one".