41021221 has 8 divisors (see below), whose sum is σ = 43490304. Its totient is φ = 38558400.

The previous prime is 41021179. The next prime is 41021231. The reversal of 41021221 is 12212014.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41021221 - 2⁷ = 41021093 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 (41021231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23836 + ... + 25498.

It is an arithmetic number, because the mean of its divisors is an integer number (5436288).

Almost surely, 2^41021221 is an apocalyptic number.

It is an amenable number.

41021221 is a deficient number, since it is larger than the sum of its proper divisors (2469083).

41021221 is a wasteful number, since it uses less digits than its factorization.

41021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

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

The square root of 41021221 is about 6404.7811047685. The cubic root of 41021221 is about 344.8812053366.

Adding to 41021221 its reverse (12212014), we get a palindrome (53233235).

The spelling of 41021221 in words is "forty-one million, twenty-one thousand, two hundred twenty-one".