221233410441 has 6 divisors (see below), whose sum is σ = 319559370650. Its totient is φ = 147488940288.

The previous prime is 221233410421. The next prime is 221233410449. The reversal of 221233410441 is 144014332122.

221233410441 is a `hidden beast` number, since 2 + 212 + 3 + 3 + 4 + 1 + 0 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 141763545225 + 79469865216 = 376515^2 + 281904^2 .

It is not a de Polignac number, because 221233410441 - 2¹¹ = 221233408393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221233410449) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 12290745016 + ... + 12290745033.

Almost surely, 2^221233410441 is an apocalyptic number.

It is an amenable number.

221233410441 is a deficient number, since it is larger than the sum of its proper divisors (98325960209).

221233410441 is a wasteful number, since it uses less digits than its factorization.

221233410441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24581490055 (or 24581490052 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221233410441 its reverse (144014332122), we get a palindrome (365247742563).

The spelling of 221233410441 in words is "two hundred twenty-one billion, two hundred thirty-three million, four hundred ten thousand, four hundred forty-one".