2243044221 has 32 divisors (see below), whose sum is σ = 3451776000. Its totient is φ = 1281329280.

The previous prime is 2243044211. The next prime is 2243044253. The reversal of 2243044221 is 1224403422.

2243044221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243044221 - 2⁷ = 2243044093 is a prime.

It is a super-2 number, since 2×2243044221² = 10062494754722993682, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2243044191 and 2243044200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243044211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115785 + ... + 133761.

It is an arithmetic number, because the mean of its divisors is an integer number (107868000).

Almost surely, 2^2243044221 is an apocalyptic number.

It is an amenable number.

2243044221 is a deficient number, since it is larger than the sum of its proper divisors (1208731779).

2243044221 is a wasteful number, since it uses less digits than its factorization.

2243044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18209.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2243044221 is about 47360.7877996133. The cubic root of 2243044221 is about 1309.0189848588.

Adding to 2243044221 its reverse (1224403422), we get a palindrome (3467447643).

The spelling of 2243044221 in words is "two billion, two hundred forty-three million, forty-four thousand, two hundred twenty-one".