1224410220 has 144 divisors (see below), whose sum is σ = 4063288320. Its totient is φ = 295977600.

The previous prime is 1224410219. The next prime is 1224410263. The reversal of 1224410220 is 220144221.

1224410220 is a `hidden beast` number, since 1 + 2 + 2 + 441 + 0 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1224410193 and 1224410202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 947775 + ... + 949065.

It is an arithmetic number, because the mean of its divisors is an integer number (28217280).

Almost surely, 2^1224410220 is an apocalyptic number.

1224410220 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 1224410220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031644160).

1224410220 is an abundant number, since it is smaller than the sum of its proper divisors (2838878100).

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

1224410220 is a wasteful number, since it uses less digits than its factorization.

1224410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1224410220 is about 34991.5735570723. The cubic root of 1224410220 is about 1069.8157367506.

Adding to 1224410220 its reverse (220144221), we get a palindrome (1444554441).

The spelling of 1224410220 in words is "one billion, two hundred twenty-four million, four hundred ten thousand, two hundred twenty".