1224838800 has 480 divisors, whose sum is σ = 4723507200. Its totient is φ = 300464640.

The previous prime is 1224838759. The next prime is 1224838801. The reversal of 1224838800 is 88384221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1224838801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9644337 + ... + 9644463.

It is an arithmetic number, because the mean of its divisors is an integer number (9840640).

Almost surely, 2^1224838800 is an apocalyptic number.

1224838800 is a gapful number since it is divisible by the number (10) 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 1224838800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2361753600).

1224838800 is an abundant number, since it is smaller than the sum of its proper divisors (3498668400).

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

1224838800 is a wasteful number, since it uses less digits than its factorization.

1224838800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1224838800 is about 34997.6970670929. The cubic root of 1224838800 is about 1069.9405446336.

The spelling of 1224838800 in words is "one billion, two hundred twenty-four million, eight hundred thirty-eight thousand, eight hundred".