2243702849 has 2 divisors, whose sum is σ = 2243702850. Its totient is φ = 2243702848.

The previous prime is 2243702821. The next prime is 2243702861. The reversal of 2243702849 is 9482073422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2233507600 + 10195249 = 47260^2 + 3193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243702849 - 2¹² = 2243698753 is a prime.

It is a super-2 number, since 2×2243702849² = 10068404949221433602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2243702899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121851424 + 1121851425.

It is an arithmetic number, because the mean of its divisors is an integer number (1121851425).

Almost surely, 2^2243702849 is an apocalyptic number.

It is an amenable number.

2243702849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243702849 is an equidigital number, since it uses as much as digits as its factorization.

2243702849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 2243702849 is about 47367.7405942061. The cubic root of 2243702849 is about 1309.1470953045.

It can be divided in two parts, 224 and 3702849, that added together give a palindrome (3703073).

The spelling of 2243702849 in words is "two billion, two hundred forty-three million, seven hundred two thousand, eight hundred forty-nine".