41340221 has 4 divisors (see below), whose sum is σ = 44520252. Its totient is φ = 38160192.

The previous prime is 41340203. The next prime is 41340251. The reversal of 41340221 is 12204314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12204314 = 2 ⋅6102157.

It can be written as a sum of positive squares in 2 ways, for example, as 15888196 + 25452025 = 3986^2 + 5045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41340221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41340221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41340251) 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, 1589996 + ... + 1590021.

It is an arithmetic number, because the mean of its divisors is an integer number (11130063).

Almost surely, 2^41340221 is an apocalyptic number.

It is an amenable number.

41340221 is a deficient number, since it is larger than the sum of its proper divisors (3180031).

41340221 is a wasteful number, since it uses less digits than its factorization.

41340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180030.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 41340221 is about 6429.6361483369. The cubic root of 41340221 is about 345.7728832392.

Adding to 41340221 its reverse (12204314), we get a palindrome (53544535).

The spelling of 41340221 in words is "forty-one million, three hundred forty thousand, two hundred twenty-one".