41330221 has 4 divisors (see below), whose sum is σ = 42447292. Its totient is φ = 40213152.

The previous prime is 41330209. The next prime is 41330227. The reversal of 41330221 is 12203314.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21206025 + 20124196 = 4605^2 + 4486^2 .

It is a cyclic number.

It is not a de Polignac number, because 41330221 - 2⁵ = 41330189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41330195 and 41330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41330227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558480 + ... + 558553.

It is an arithmetic number, because the mean of its divisors is an integer number (10611823).

Almost surely, 2^41330221 is an apocalyptic number.

It is an amenable number.

41330221 is a deficient number, since it is larger than the sum of its proper divisors (1117071).

41330221 is a wasteful number, since it uses less digits than its factorization.

41330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117070.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 41330221 is about 6428.8584523226. The cubic root of 41330221 is about 345.7450007268.

Adding to 41330221 its reverse (12203314), we get a palindrome (53533535).

The spelling of 41330221 in words is "forty-one million, three hundred thirty thousand, two hundred twenty-one".