1224422500 has 240 divisors, whose sum is σ = 3297344512. Its totient is φ = 388800000.

The previous prime is 1224422497. The next prime is 1224422513. The reversal of 1224422500 is 52244221.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20072470 + ... + 20072530.

Almost surely, 2^1224422500 is an apocalyptic number.

1224422500 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 1224422500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648672256).

1224422500 is an abundant number, since it is smaller than the sum of its proper divisors (2072922012).

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

1224422500 is a wasteful number, since it uses less digits than its factorization.

1224422500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1224422500 is about 34991.7490274493. The cubic root of 1224422500 is about 1069.8193132462.

Adding to 1224422500 its reverse (52244221), we get a palindrome (1276666721).

The spelling of 1224422500 in words is "one billion, two hundred twenty-four million, four hundred twenty-two thousand, five hundred".