1224442994 has 32 divisors (see below), whose sum is σ = 1897623936. Its totient is φ = 592300800.

The previous prime is 1224442993. The next prime is 1224443039. The reversal of 1224442994 is 4992444221.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1224442993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3633194 + ... + 3633530.

It is an arithmetic number, because the mean of its divisors is an integer number (59300748).

Almost surely, 2^1224442994 is an apocalyptic number.

1224442994 is a deficient number, since it is larger than the sum of its proper divisors (673180942).

1224442994 is a wasteful number, since it uses less digits than its factorization.

1224442994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its digits is 165888, while the sum is 41.

The square root of 1224442994 is about 34992.0418666873. The cubic root of 1224442994 is about 1069.8252819797.

The spelling of 1224442994 in words is "one billion, two hundred twenty-four million, four hundred forty-two thousand, nine hundred ninety-four".