4421111 has 4 divisors (see below), whose sum is σ = 4426800. Its totient is φ = 4415424.

The previous prime is 4421063. The next prime is 4421113. The reversal of 4421111 is 1111244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4421111 is a prime.

It is an Ulam number.

It is a Duffinian number.

4421111 is a modest number, since divided by 1111 gives 442 as remainder.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421113) 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, 1451 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (1106700).

Almost surely, 2^4421111 is an apocalyptic number.

4421111 is a deficient number, since it is larger than the sum of its proper divisors (5689).

4421111 is an equidigital number, since it uses as much as digits as its factorization.

4421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688.

The product of its digits is 32, while the sum is 14.

The square root of 4421111 is about 2102.6438119663. The cubic root of 4421111 is about 164.1259071797.

Adding to 4421111 its reverse (1111244), we get a palindrome (5532355).

The spelling of 4421111 in words is "four million, four hundred twenty-one thousand, one hundred eleven".