221325330343 has 32 divisors (see below), whose sum is σ = 266305233600. Its totient is φ = 181715705856.

The previous prime is 221325330341. The next prime is 221325330367. The reversal of 221325330343 is 343033523122.

It is not a de Polignac number, because 221325330343 - 2¹ = 221325330341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221325330341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652955 + ... + 1781827.

It is an arithmetic number, because the mean of its divisors is an integer number (8322038550).

Almost surely, 2^221325330343 is an apocalyptic number.

221325330343 is a deficient number, since it is larger than the sum of its proper divisors (44979903257).

221325330343 is a wasteful number, since it uses less digits than its factorization.

221325330343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129331.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 221325330343 its reverse (343033523122), we get a palindrome (564358853465).

The spelling of 221325330343 in words is "two hundred twenty-one billion, three hundred twenty-five million, three hundred thirty thousand, three hundred forty-three".