1224440112 has 80 divisors (see below), whose sum is σ = 3712754432. Its totient is φ = 340381440.

The previous prime is 1224440081. The next prime is 1224440137. The reversal of 1224440112 is 2110444221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36814 + ... + 61677.

Almost surely, 2^1224440112 is an apocalyptic number.

1224440112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1224440112 is an abundant number, since it is smaller than the sum of its proper divisors (2488314320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224440112 is a wasteful number, since it uses less digits than its factorization.

1224440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98546 (or 98540 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1224440112 is about 34992.0006858710. Note that the first 3 decimals coincide. The cubic root of 1224440112 is about 1069.8244426215.

Adding to 1224440112 its reverse (2110444221), we get a palindrome (3334884333).

The spelling of 1224440112 in words is "one billion, two hundred twenty-four million, four hundred forty thousand, one hundred twelve".