41012221 has 2 divisors, whose sum is σ = 41012222. Its totient is φ = 41012220.

The previous prime is 41012207. The next prime is 41012233. The reversal of 41012221 is 12221014.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25100100 + 15912121 = 5010^2 + 3989^2 .

It is a cyclic number.

It is not a de Polignac number, because 41012221 - 2⁵ = 41012189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41012201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20506110 + 20506111.

It is an arithmetic number, because the mean of its divisors is an integer number (20506111).

Almost surely, 2^41012221 is an apocalyptic number.

It is an amenable number.

41012221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41012221 is an equidigital number, since it uses as much as digits as its factorization.

41012221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 41012221 is about 6404.0784661027. The cubic root of 41012221 is about 344.8559813363.

Adding to 41012221 its reverse (12221014), we get a palindrome (53233235).

The spelling of 41012221 in words is "forty-one million, twelve thousand, two hundred twenty-one".