1224043442 has 16 divisors (see below), whose sum is σ = 1863910872. Its totient is φ = 602803200.

The previous prime is 1224043421. The next prime is 1224043453. The reversal of 1224043442 is 2443404221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1134948721 + 89094721 = 33689^2 + 9439^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23288 + ... + 54684.

Almost surely, 2^1224043442 is an apocalyptic number.

1224043442 is a deficient number, since it is larger than the sum of its proper divisors (639867430).

1224043442 is a wasteful number, since it uses less digits than its factorization.

1224043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31693.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1224043442 is about 34986.3322170244. The cubic root of 1224043442 is about 1069.7089032573.

Adding to 1224043442 its reverse (2443404221), we get a palindrome (3667447663).

The spelling of 1224043442 in words is "one billion, two hundred twenty-four million, forty-three thousand, four hundred forty-two".