1220224300 has 144 divisors (see below), whose sum is σ = 2961372960. Its totient is φ = 434237440.

The previous prime is 1220224279. The next prime is 1220224303. The reversal of 1220224300 is 34220221.

It is not an unprimeable number, because it can be changed into a prime (1220224303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2612667 + ... + 2613133.

It is an arithmetic number, because the mean of its divisors is an integer number (20565090).

Almost surely, 2^1220224300 is an apocalyptic number.

1220224300 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 1220224300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480686480).

1220224300 is an abundant number, since it is smaller than the sum of its proper divisors (1741148660).

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

1220224300 is a wasteful number, since it uses less digits than its factorization.

1220224300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1220224300 is about 34931.7090907387. The cubic root of 1220224300 is about 1068.5952100756.

Adding to 1220224300 its reverse (34220221), we get a palindrome (1254444521).

The spelling of 1220224300 in words is "one billion, two hundred twenty million, two hundred twenty-four thousand, three hundred".