41224221 has 28 divisors (see below), whose sum is σ = 62340348. Its totient is φ = 27247104.

The previous prime is 41224193. The next prime is 41224223. The reversal of 41224221 is 12242214.

It can be written as a sum of positive squares in 2 ways, for example, as 26316900 + 14907321 = 5130^2 + 3861^2 .

It is not a de Polignac number, because 41224221 - 2⁷ = 41224093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41224194 and 41224203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41224223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 140551 + ... + 140843.

It is an arithmetic number, because the mean of its divisors is an integer number (2226441).

Almost surely, 2^41224221 is an apocalyptic number.

It is an amenable number.

41224221 is a deficient number, since it is larger than the sum of its proper divisors (21116127).

41224221 is an equidigital number, since it uses as much as digits as its factorization.

41224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 489 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 41224221 is about 6420.6090832568. The cubic root of 41224221 is about 345.4491692083.

Adding to 41224221 its reverse (12242214), we get a palindrome (53466435).

The spelling of 41224221 in words is "forty-one million, two hundred twenty-four thousand, two hundred twenty-one".