221433341100404 has 6 divisors (see below), whose sum is σ = 387508346925714. Its totient is φ = 110716670550200.

The previous prime is 221433341100401. The next prime is 221433341100443. The reversal of 221433341100404 is 404001143334122.

It can be written as a sum of positive squares in only one way, i.e., 219047459263504 + 2385881836900 = 14800252^2 + 1544630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221433341100401) by changing a digit.

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 as a sum of consecutive naturals, namely, 27679167637547 + ... + 27679167637554.

It is an arithmetic number, because the mean of its divisors is an integer number (64584724487619).

Almost surely, 2^{221433341100404} is an apocalyptic number.

It is an amenable number.

221433341100404 is a deficient number, since it is larger than the sum of its proper divisors (166075005825310).

221433341100404 is a wasteful number, since it uses less digits than its factorization.

221433341100404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55358335275105 (or 55358335275103 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 221433341100404 its reverse (404001143334122), we get a palindrome (625434484434526).

The spelling of 221433341100404 in words is "two hundred twenty-one trillion, four hundred thirty-three billion, three hundred forty-one million, one hundred thousand, four hundred four".