41366221 has 8 divisors (see below), whose sum is σ = 45050040. Its totient is φ = 37754112.

The previous prime is 41366189. The next prime is 41366239. The reversal of 41366221 is 12266314.

It can be written as a sum of positive squares in 4 ways, for example, as 3062500 + 38303721 = 1750^2 + 6189^2 .

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 41366221 - 2⁵ = 41366189 is a prime.

It is a super-2 number, since 2×41366221² = 3422328479641682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41366921) 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, 16720 + ... + 19033.

It is an arithmetic number, because the mean of its divisors is an integer number (5631255).

Almost surely, 2^41366221 is an apocalyptic number.

It is an amenable number.

41366221 is a deficient number, since it is larger than the sum of its proper divisors (3683819).

41366221 is a wasteful number, since it uses less digits than its factorization.

41366221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35855.

The product of its digits is 1728, while the sum is 25.

The square root of 41366221 is about 6431.6577178827. The cubic root of 41366221 is about 345.8453567343.

The spelling of 41366221 in words is "forty-one million, three hundred sixty-six thousand, two hundred twenty-one".