41223431221 has 16 divisors (see below), whose sum is σ = 48292761088. Its totient is φ = 34452054000.

The previous prime is 41223431191. The next prime is 41223431233. The reversal of 41223431221 is 12213432214.

It is not a de Polignac number, because 41223431221 - 2¹⁵ = 41223398453 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 (41223431251) 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 in 15 ways as a sum of consecutive naturals, for example, 51946 + ... + 291796.

It is an arithmetic number, because the mean of its divisors is an integer number (3018297568).

Almost surely, 2^41223431221 is an apocalyptic number.

It is an amenable number.

41223431221 is a deficient number, since it is larger than the sum of its proper divisors (7069329867).

41223431221 is a wasteful number, since it uses less digits than its factorization.

41223431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240472.

The product of its digits is 2304, while the sum is 25.

Adding to 41223431221 its reverse (12213432214), we get a palindrome (53436863435).

It can be divided in two parts, 4122 and 3431221, that added together give a palindrome (3435343).

The spelling of 41223431221 in words is "forty-one billion, two hundred twenty-three million, four hundred thirty-one thousand, two hundred twenty-one".