2243140031221 has 16 divisors (see below), whose sum is σ = 2370615609600. Its totient is φ = 2119035498048.

The previous prime is 2243140031219. The next prime is 2243140031227. The reversal of 2243140031221 is 1221300413422.

It is a cyclic number.

It is not a de Polignac number, because 2243140031221 - 2¹ = 2243140031219 is a prime.

It is a super-2 number, since 2×2243140031221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243140031227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4051015 + ... + 4571323.

It is an arithmetic number, because the mean of its divisors is an integer number (148163475600).

Almost surely, 2^{2243140031221} is an apocalyptic number.

It is an amenable number.

2243140031221 is a deficient number, since it is larger than the sum of its proper divisors (127475578379).

2243140031221 is a wasteful number, since it uses less digits than its factorization.

2243140031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523548.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2243140031221 its reverse (1221300413422), we get a palindrome (3464440444643).

The spelling of 2243140031221 in words is "two trillion, two hundred forty-three billion, one hundred forty million, thirty-one thousand, two hundred twenty-one".