300221220 has 96 divisors (see below), whose sum is σ = 911635200. Its totient is φ = 73382400.

The previous prime is 300221191. The next prime is 300221221. The reversal of 300221220 is 22122003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 300221196 and 300221205.

It is not an unprimeable number, because it can be changed into a prime (300221221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116506 + ... + 119054.

It is an arithmetic number, because the mean of its divisors is an integer number (9496200).

Almost surely, 2^300221220 is an apocalyptic number.

300221220 is a gapful number since it is divisible by the number (30) 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 300221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455817600).

300221220 is an abundant number, since it is smaller than the sum of its proper divisors (611413980).

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

300221220 is a wasteful number, since it uses less digits than its factorization.

300221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2723 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 300221220 is about 17326.8929701779. The cubic root of 300221220 is about 669.5974562723.

Adding to 300221220 its reverse (22122003), we get a palindrome (322343223).

The spelling of 300221220 in words is "three hundred million, two hundred twenty-one thousand, two hundred twenty".