1224283984 has 80 divisors (see below), whose sum is σ = 3007664640. Its totient is φ = 468881280.

The previous prime is 1224283939. The next prime is 1224283993. The reversal of 1224283984 is 4893824221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224283984.

It is a congruent number.

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, 64267 + ... + 81109.

It is an arithmetic number, because the mean of its divisors is an integer number (37595808).

Almost surely, 2^1224283984 is an apocalyptic number.

1224283984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224283984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503832320).

1224283984 is an abundant number, since it is smaller than the sum of its proper divisors (1783380656).

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

1224283984 is a wasteful number, since it uses less digits than its factorization.

1224283984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16928 (or 16922 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 1224283984 is about 34989.7697048723. The cubic root of 1224283984 is about 1069.7789696882.

The spelling of 1224283984 in words is "one billion, two hundred twenty-four million, two hundred eighty-three thousand, nine hundred eighty-four".