4411221 has 4 divisors (see below), whose sum is σ = 5881632. Its totient is φ = 2940812.

The previous prime is 4411217. The next prime is 4411247. The reversal of 4411221 is 1221144.

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 a cyclic number.

It is not a de Polignac number, because 4411221 - 2² = 4411217 is a prime.

It is a D-number.

4411221 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4411221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4411261) 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, 735201 + ... + 735206.

It is an arithmetic number, because the mean of its divisors is an integer number (1470408).

Almost surely, 2^4411221 is an apocalyptic number.

It is an amenable number.

4411221 is a deficient number, since it is larger than the sum of its proper divisors (1470411).

4411221 is a wasteful number, since it uses less digits than its factorization.

4411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470410.

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

The square root of 4411221 is about 2100.2906941659. The cubic root of 4411221 is about 164.0034329045.

Adding to 4411221 its reverse (1221144), we get a palindrome (5632365).

The spelling of 4411221 in words is "four million, four hundred eleven thousand, two hundred twenty-one".