4113221 has 4 divisors (see below), whose sum is σ = 4700832. Its totient is φ = 3525612.

The previous prime is 4113211. The next prime is 4113233. The reversal of 4113221 is 1223114.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1223114 = 2 ⋅611557.

It is a cyclic number.

It is not a de Polignac number, because 4113221 - 2¹⁰ = 4112197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4113196 and 4113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4113211) 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, 293795 + ... + 293808.

It is an arithmetic number, because the mean of its divisors is an integer number (1175208).

Almost surely, 2^4113221 is an apocalyptic number.

It is an amenable number.

4113221 is a deficient number, since it is larger than the sum of its proper divisors (587611).

4113221 is an equidigital number, since it uses as much as digits as its factorization.

4113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587610.

The product of its digits is 48, while the sum is 14.

The square root of 4113221 is about 2028.1077387555. The cubic root of 4113221 is about 160.2239182535.

Adding to 4113221 its reverse (1223114), we get a palindrome (5336335).

It can be divided in two parts, 4113 and 221, that added together give a palindrome (4334).

The spelling of 4113221 in words is "four million, one hundred thirteen thousand, two hundred twenty-one".