221341133 has 16 divisors (see below), whose sum is σ = 243331200. Its totient is φ = 200097216.

The previous prime is 221341069. The next prime is 221341181. The reversal of 221341133 is 331143122.

It is a cyclic number.

It is not a de Polignac number, because 221341133 - 2⁶ = 221341069 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 (221341193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172691 + ... + 173967.

It is an arithmetic number, because the mean of its divisors is an integer number (15208200).

Almost surely, 2^221341133 is an apocalyptic number.

It is an amenable number.

221341133 is a deficient number, since it is larger than the sum of its proper divisors (21990067).

221341133 is a wasteful number, since it uses less digits than its factorization.

221341133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its digits is 432, while the sum is 20.

The square root of 221341133 is about 14877.5378675371. The cubic root of 221341133 is about 604.9052812579.

Adding to 221341133 its reverse (331143122), we get a palindrome (552484255).

The spelling of 221341133 in words is "two hundred twenty-one million, three hundred forty-one thousand, one hundred thirty-three".