2233323020221 has 4 divisors (see below), whose sum is σ = 2240458237852. Its totient is φ = 2226187802592.

The previous prime is 2233323020191. The next prime is 2233323020261. The reversal of 2233323020221 is 1220203233322.

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 551150336025 + 1682172684196 = 742395^2 + 1296986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2233323020221 - 2²¹ = 2233320923069 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 (2233323020261) 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, 3567608346 + ... + 3567608971.

It is an arithmetic number, because the mean of its divisors is an integer number (560114559463).

Almost surely, 2^{2233323020221} is an apocalyptic number.

It is an amenable number.

2233323020221 is a deficient number, since it is larger than the sum of its proper divisors (7135217631).

2233323020221 is an equidigital number, since it uses as much as digits as its factorization.

2233323020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135217630.

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

Adding to 2233323020221 its reverse (1220203233322), we get a palindrome (3453526253543).

The spelling of 2233323020221 in words is "two trillion, two hundred thirty-three billion, three hundred twenty-three million, twenty thousand, two hundred twenty-one".