2243042216 has 8 divisors (see below), whose sum is σ = 4205704170. Its totient is φ = 1121521104.

The previous prime is 2243042213. The next prime is 2243042233. The reversal of 2243042216 is 6122403422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1455117316 + 787924900 = 38146^2 + 28070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2243042213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140190131 + ... + 140190146.

Almost surely, 2^2243042216 is an apocalyptic number.

It is an amenable number.

2243042216 is a deficient number, since it is larger than the sum of its proper divisors (1962661954).

2243042216 is a wasteful number, since it uses less digits than its factorization.

2243042216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280380283 (or 280380279 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2243042216 is about 47360.7666323086. The cubic root of 2243042216 is about 1309.0185948258.

Adding to 2243042216 its reverse (6122403422), we get a palindrome (8365445638).

It can be divided in two parts, 22430 and 42216, that added together give a palindrome (64646).

The spelling of 2243042216 in words is "two billion, two hundred forty-three million, forty-two thousand, two hundred sixteen".