1224442984 has 8 divisors (see below), whose sum is σ = 2295830610. Its totient is φ = 612221488.

The previous prime is 1224442979. The next prime is 1224442987. The reversal of 1224442984 is 4892444221.

It can be written as a sum of positive squares in only one way, i.e., 1224300100 + 142884 = 34990^2 + 378^2 .

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 (1224442987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76527679 + ... + 76527694.

Almost surely, 2^1224442984 is an apocalyptic number.

It is an amenable number.

1224442984 is a deficient number, since it is larger than the sum of its proper divisors (1071387626).

1224442984 is a wasteful number, since it uses less digits than its factorization.

1224442984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153055379 (or 153055375 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 1224442984 is about 34992.0417237977. The cubic root of 1224442984 is about 1069.8252790673.

The spelling of 1224442984 in words is "one billion, two hundred twenty-four million, four hundred forty-two thousand, nine hundred eighty-four".