1224334220 has 48 divisors (see below), whose sum is σ = 2748852288. Its totient is φ = 456437760.

The previous prime is 1224334207. The next prime is 1224334231. The reversal of 1224334220 is 224334221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17540 + ... + 52500.

It is an arithmetic number, because the mean of its divisors is an integer number (57267756).

Almost surely, 2^1224334220 is an apocalyptic number.

1224334220 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 1224334220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374426144).

1224334220 is an abundant number, since it is smaller than the sum of its proper divisors (1524518068).

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

1224334220 is a wasteful number, since it uses less digits than its factorization.

1224334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35090 (or 35088 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1224334220 is about 34990.4875644796. The cubic root of 1224334220 is about 1069.7936015552.

Adding to 1224334220 its reverse (224334221), we get a palindrome (1448668441).

Subtracting from 1224334220 its reverse (224334221), we obtain a palindrome (999999999).

The spelling of 1224334220 in words is "one billion, two hundred twenty-four million, three hundred thirty-four thousand, two hundred twenty".