221332343332 has 6 divisors (see below), whose sum is σ = 387331600838. Its totient is φ = 110666171664.

The previous prime is 221332343327. The next prime is 221332343389. The reversal of 221332343332 is 233343233122.

It can be written as a sum of positive squares in only one way, i.e., 125780878336 + 95551464996 = 354656^2 + 309114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221332343294 and 221332343303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27666542913 + ... + 27666542920.

Almost surely, 2^221332343332 is an apocalyptic number.

It is an amenable number.

221332343332 is a deficient number, since it is larger than the sum of its proper divisors (165999257506).

221332343332 is a wasteful number, since it uses less digits than its factorization.

221332343332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55333085837 (or 55333085835 counting only the distinct ones).

The product of its digits is 46656, while the sum is 31.

Adding to 221332343332 its reverse (233343233122), we get a palindrome (454675576454).

The spelling of 221332343332 in words is "two hundred twenty-one billion, three hundred thirty-two million, three hundred forty-three thousand, three hundred thirty-two".