221223000300 has 72 divisors (see below), whose sum is σ = 640120185936. Its totient is φ = 58988348160.

The previous prime is 221223000287. The next prime is 221223000319. The reversal of 221223000300 is 3000322122.

221223000300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 221223000300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6510154 + ... + 6544046.

It is an arithmetic number, because the mean of its divisors is an integer number (8890558138).

Almost surely, 2^221223000300 is an apocalyptic number.

221223000300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221223000300 is an abundant number, since it is smaller than the sum of its proper divisors (418897185636).

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

221223000300 is a wasteful number, since it uses less digits than its factorization.

221223000300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55667 (or 55660 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 221223000300 its reverse (3000322122), we get a palindrome (224223322422).

The spelling of 221223000300 in words is "two hundred twenty-one billion, two hundred twenty-three million, three hundred", and thus it is an aban number.