411221231 has 4 divisors (see below), whose sum is σ = 424486464. Its totient is φ = 397956000.

The previous prime is 411221221. The next prime is 411221243. The reversal of 411221231 is 132122114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132122114 = 2 ⋅66061057.

It is a cyclic number.

It is not a de Polignac number, because 411221231 - 2¹⁰ = 411220207 is a prime.

It is a super-2 number, since 2×411221231² = 338205801650310722, 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 (411221221) 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, 6632570 + ... + 6632631.

It is an arithmetic number, because the mean of its divisors is an integer number (106121616).

Almost surely, 2^411221231 is an apocalyptic number.

411221231 is a deficient number, since it is larger than the sum of its proper divisors (13265233).

411221231 is a wasteful number, since it uses less digits than its factorization.

411221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13265232.

The product of its digits is 96, while the sum is 17.

The square root of 411221231 is about 20278.5904589052. The cubic root of 411221231 is about 743.6327525932.

Adding to 411221231 its reverse (132122114), we get a palindrome (543343345).

The spelling of 411221231 in words is "four hundred eleven million, two hundred twenty-one thousand, two hundred thirty-one".