221302324342 has 16 divisors (see below), whose sum is σ = 362210533632. Its totient is φ = 100569894120.

The previous prime is 221302324333. The next prime is 221302324381. The reversal of 221302324342 is 243423203122.

221302324342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221302324342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000818 + ... + 1201765.

It is an arithmetic number, because the mean of its divisors is an integer number (22638158352).

Almost surely, 2^221302324342 is an apocalyptic number.

221302324342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221302324342 is a deficient number, since it is larger than the sum of its proper divisors (140908209290).

221302324342 is a wasteful number, since it uses less digits than its factorization.

221302324342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207163.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 221302324342 its reverse (243423203122), we get a palindrome (464725527464).

The spelling of 221302324342 in words is "two hundred twenty-one billion, three hundred two million, three hundred twenty-four thousand, three hundred forty-two".