221200442302 has 16 divisors (see below), whose sum is σ = 379206828000. Its totient is φ = 94798672128.

The previous prime is 221200442293. The next prime is 221200442363. The reversal of 221200442302 is 203244002122.

221200442302 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1507074 + ... + 1647322.

It is an arithmetic number, because the mean of its divisors is an integer number (23700426750).

Almost surely, 2^221200442302 is an apocalyptic number.

221200442302 is a deficient number, since it is larger than the sum of its proper divisors (158006385698).

221200442302 is a wasteful number, since it uses less digits than its factorization.

221200442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252915.

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

Adding to 221200442302 its reverse (203244002122), we get a palindrome (424444444424).

The spelling of 221200442302 in words is "two hundred twenty-one billion, two hundred million, four hundred forty-two thousand, three hundred two".