3220232233021 has 4 divisors (see below), whose sum is σ = 3225891692700. Its totient is φ = 3214572773344.

The previous prime is 3220232232989. The next prime is 3220232233027. The reversal of 3220232233021 is 1203322320223.

3220232233021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 884794203225 + 2335438029796 = 940635^2 + 1528214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220232233021 - 2⁵ = 3220232232989 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 (3220232233027) 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, 2829728986 + ... + 2829730123.

It is an arithmetic number, because the mean of its divisors is an integer number (806472923175).

Almost surely, 2^{3220232233021} is an apocalyptic number.

It is an amenable number.

3220232233021 is a deficient number, since it is larger than the sum of its proper divisors (5659459679).

3220232233021 is an equidigital number, since it uses as much as digits as its factorization.

3220232233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659459678.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 3220232233021 its reverse (1203322320223), we get a palindrome (4423554553244).

The spelling of 3220232233021 in words is "three trillion, two hundred twenty billion, two hundred thirty-two million, two hundred thirty-three thousand, twenty-one".