2243144242 has 16 divisors (see below), whose sum is σ = 3397434840. Its totient is φ = 1110683392.

The previous prime is 2243144213. The next prime is 2243144279. The reversal of 2243144242 is 2424413422.

It can be written as a sum of positive squares in 4 ways, for example, as 2242874881 + 269361 = 47359^2 + 519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2243144242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306684 + ... + 313912.

Almost surely, 2^2243144242 is an apocalyptic number.

2243144242 is a deficient number, since it is larger than the sum of its proper divisors (1154290598).

2243144242 is a wasteful number, since it uses less digits than its factorization.

2243144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717.

The product of its digits is 12288, while the sum is 28.

The square root of 2243144242 is about 47361.8437352264. The cubic root of 2243144242 is about 1309.0384416668.

Adding to 2243144242 its reverse (2424413422), we get a palindrome (4667557664).

The spelling of 2243144242 in words is "two billion, two hundred forty-three million, one hundred forty-four thousand, two hundred forty-two".