41221231 has 4 divisors (see below), whose sum is σ = 41629464. Its totient is φ = 40813000.

The previous prime is 41221223. The next prime is 41221247. The reversal of 41221231 is 13212214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41221231 - 2³ = 41221223 is a prime.

It is a super-2 number, since 2×41221231² = 3398379770310722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41201231) 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 3 ways as a sum of consecutive naturals, for example, 203965 + ... + 204166.

It is an arithmetic number, because the mean of its divisors is an integer number (10407366).

Almost surely, 2^41221231 is an apocalyptic number.

41221231 is a deficient number, since it is larger than the sum of its proper divisors (408233).

41221231 is a wasteful number, since it uses less digits than its factorization.

41221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408232.

The product of its digits is 96, while the sum is 16.

The square root of 41221231 is about 6420.3762350816. The cubic root of 41221231 is about 345.4408171767.

Adding to 41221231 its reverse (13212214), we get a palindrome (54433445).

The spelling of 41221231 in words is "forty-one million, two hundred twenty-one thousand, two hundred thirty-one".