41212221 has 4 divisors (see below), whose sum is σ = 54949632. Its totient is φ = 27474812.

The previous prime is 41212211. The next prime is 41212231. The reversal of 41212221 is 12221214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (41212211) and next prime (41212231).

It is a cyclic number.

It is not a de Polignac number, because 41212221 - 2¹⁰ = 41211197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41212201) 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, 6868701 + ... + 6868706.

It is an arithmetic number, because the mean of its divisors is an integer number (13737408).

Almost surely, 2^41212221 is an apocalyptic number.

It is an amenable number.

41212221 is a deficient number, since it is larger than the sum of its proper divisors (13737411).

41212221 is a wasteful number, since it uses less digits than its factorization.

41212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13737410.

The product of its digits is 64, while the sum is 15.

The square root of 41212221 is about 6419.6745244599. The cubic root of 41212221 is about 345.4156469066.

Adding to 41212221 its reverse (12221214), we get a palindrome (53433435).

The spelling of 41212221 in words is "forty-one million, two hundred twelve thousand, two hundred twenty-one".