2243144013221 has 4 divisors (see below), whose sum is σ = 2274737590944. Its totient is φ = 2211550435500.

The previous prime is 2243144013217. The next prime is 2243144013223. The reversal of 2243144013221 is 1223104413422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2243144013221 - 2² = 2243144013217 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 (2243144013223) 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, 15796788755 + ... + 15796788896.

It is an arithmetic number, because the mean of its divisors is an integer number (568684397736).

Almost surely, 2^{2243144013221} is an apocalyptic number.

It is an amenable number.

2243144013221 is a deficient number, since it is larger than the sum of its proper divisors (31593577723).

2243144013221 is an equidigital number, since it uses as much as digits as its factorization.

2243144013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31593577722.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2243144013221 its reverse (1223104413422), we get a palindrome (3466248426643).

The spelling of 2243144013221 in words is "two trillion, two hundred forty-three billion, one hundred forty-four million, thirteen thousand, two hundred twenty-one".