221240224300 has 36 divisors (see below), whose sum is σ = 487256843080. Its totient is φ = 87175249920.

The previous prime is 221240224243. The next prime is 221240224339. The reversal of 221240224300 is 3422042122.

221240224300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 16503765 + ... + 16517164.

Almost surely, 2^221240224300 is an apocalyptic number.

221240224300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221240224300 is an abundant number, since it is smaller than the sum of its proper divisors (266016618780).

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

221240224300 is a wasteful number, since it uses less digits than its factorization.

221240224300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33021010 (or 33021003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 221240224300 its reverse (3422042122), we get a palindrome (224662266422).

The spelling of 221240224300 in words is "two hundred twenty-one billion, two hundred forty million, two hundred twenty-four thousand, three hundred".