221311304133422 has 16 divisors (see below), whose sum is σ = 334149515834112. Its totient is φ = 109930237891320.

The previous prime is 221311304133407. The next prime is 221311304133449. The reversal of 221311304133422 is 224331403113122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526215104 + ... + 526635507.

It is an arithmetic number, because the mean of its divisors is an integer number (20884344739632).

Almost surely, 2^{221311304133422} is an apocalyptic number.

221311304133422 is a deficient number, since it is larger than the sum of its proper divisors (112838211700690).

221311304133422 is a wasteful number, since it uses less digits than its factorization.

221311304133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052851303.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 221311304133422 its reverse (224331403113122), we get a palindrome (445642707246544).

The spelling of 221311304133422 in words is "two hundred twenty-one trillion, three hundred eleven billion, three hundred four million, one hundred thirty-three thousand, four hundred twenty-two".