2242523330221 has 4 divisors (see below), whose sum is σ = 2297219021244. Its totient is φ = 2187827639200.

The previous prime is 2242523330197. The next prime is 2242523330231. The reversal of 2242523330221 is 1220333252422.

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 197949357225 + 2044573972996 = 444915^2 + 1429886^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242523330221 - 2¹¹ = 2242523328173 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 (2242523330231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27347845450 + ... + 27347845531.

It is an arithmetic number, because the mean of its divisors is an integer number (574304755311).

Almost surely, 2^{2242523330221} is an apocalyptic number.

It is an amenable number.

2242523330221 is a deficient number, since it is larger than the sum of its proper divisors (54695691023).

2242523330221 is an equidigital number, since it uses as much as digits as its factorization.

2242523330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54695691022.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 2242523330221 its reverse (1220333252422), we get a palindrome (3462856582643).

The spelling of 2242523330221 in words is "two trillion, two hundred forty-two billion, five hundred twenty-three million, three hundred thirty thousand, two hundred twenty-one".