41405221 has 16 divisors (see below), whose sum is σ = 50762880. Its totient is φ = 33232320.

The previous prime is 41405201. The next prime is 41405233. The reversal of 41405221 is 12250414.

It is not a de Polignac number, because 41405221 - 2¹⁹ = 40880933 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 (41405201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3006 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (3172680).

Almost surely, 2^41405221 is an apocalyptic number.

It is an amenable number.

41405221 is a deficient number, since it is larger than the sum of its proper divisors (9357659).

41405221 is a wasteful number, since it uses less digits than its factorization.

41405221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 41405221 is about 6434.6888813679. The cubic root of 41405221 is about 345.9540100589.

Adding to 41405221 its reverse (12250414), we get a palindrome (53655635).

The spelling of 41405221 in words is "forty-one million, four hundred five thousand, two hundred twenty-one".