1244224500 has 192 divisors, whose sum is σ = 3852576000. Its totient is φ = 311155200.

The previous prime is 1244224459. The next prime is 1244224511. The reversal of 1244224500 is 54224421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4246354 + ... + 4246646.

It is an arithmetic number, because the mean of its divisors is an integer number (20065500).

Almost surely, 2^1244224500 is an apocalyptic number.

1244224500 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 1244224500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926288000).

1244224500 is an abundant number, since it is smaller than the sum of its proper divisors (2608351500).

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

1244224500 is a wasteful number, since it uses less digits than its factorization.

1244224500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1244224500 is about 35273.5665902953. The cubic root of 1244224500 is about 1075.5557249255. Note that the first 3 decimals are identical.

Adding to 1244224500 its reverse (54224421), we get a palindrome (1298448921).

The spelling of 1244224500 in words is "one billion, two hundred forty-four million, two hundred twenty-four thousand, five hundred".