221332141 has 8 divisors (see below), whose sum is σ = 222778080. Its totient is φ = 219891408.

The previous prime is 221332127. The next prime is 221332193. The reversal of 221332141 is 141233122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221332141 - 2⁵ = 221332109 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 (221330141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115110 + ... + 117016.

It is an arithmetic number, because the mean of its divisors is an integer number (27847260).

Almost surely, 2^221332141 is an apocalyptic number.

It is an amenable number.

221332141 is a deficient number, since it is larger than the sum of its proper divisors (1445939).

221332141 is a wasteful number, since it uses less digits than its factorization.

221332141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603.

The product of its digits is 288, while the sum is 19.

The square root of 221332141 is about 14877.2356639263. The cubic root of 221332141 is about 604.8970897063.

Adding to 221332141 its reverse (141233122), we get a palindrome (362565263).

The spelling of 221332141 in words is "two hundred twenty-one million, three hundred thirty-two thousand, one hundred forty-one".