221332341 has 8 divisors (see below), whose sum is σ = 297233440. Its totient is φ = 146493072.

The previous prime is 221332313. The next prime is 221332361. The reversal of 221332341 is 143233122.

221332341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221332341 - 2⁷ = 221332213 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 (221332301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264970 + ... + 265803.

It is an arithmetic number, because the mean of its divisors is an integer number (37154180).

Almost surely, 2^221332341 is an apocalyptic number.

It is an amenable number.

221332341 is a deficient number, since it is larger than the sum of its proper divisors (75901099).

221332341 is a wasteful number, since it uses less digits than its factorization.

221332341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530915.

The product of its digits is 864, while the sum is 21.

The square root of 221332341 is about 14877.2423856036. The cubic root of 221332341 is about 604.8972719052.

Adding to 221332341 its reverse (143233122), we get a palindrome (364565463).

The spelling of 221332341 in words is "two hundred twenty-one million, three hundred thirty-two thousand, three hundred forty-one".