22132302003221 has 4 divisors (see below), whose sum is σ = 22672114247244. Its totient is φ = 21592489759200.

The previous prime is 22132302003191. The next prime is 22132302003247. The reversal of 22132302003221 is 12230020323122.

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 12365983240900 + 9766318762321 = 3516530^2 + 3125111^2 .

It is a cyclic number.

It is not a de Polignac number, because 22132302003221 - 2⁴² = 17734255492117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132302003421) 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 3 ways as a sum of consecutive naturals, for example, 269906121950 + ... + 269906122031.

It is an arithmetic number, because the mean of its divisors is an integer number (5668028561811).

Almost surely, 2^{22132302003221} is an apocalyptic number.

It is an amenable number.

22132302003221 is a deficient number, since it is larger than the sum of its proper divisors (539812244023).

22132302003221 is an equidigital number, since it uses as much as digits as its factorization.

22132302003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539812244022.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22132302003221 its reverse (12230020323122), we get a palindrome (34362322326343).

The spelling of 22132302003221 in words is "twenty-two trillion, one hundred thirty-two billion, three hundred two million, three thousand, two hundred twenty-one".