4421811 has 4 divisors (see below), whose sum is σ = 5895752. Its totient is φ = 2947872.

The previous prime is 4421801. The next prime is 4421831. The reversal of 4421811 is 1181244.

It is a happy number.

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

It is not a de Polignac number, because 4421811 - 2⁵ = 4421779 is a prime.

It is a D-number.

It is a Duffinian number.

4421811 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4421801) 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, 736966 + ... + 736971.

It is an arithmetic number, because the mean of its divisors is an integer number (1473938).

Almost surely, 2^4421811 is an apocalyptic number.

4421811 is a deficient number, since it is larger than the sum of its proper divisors (1473941).

4421811 is a wasteful number, since it uses less digits than its factorization.

4421811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473940.

The product of its digits is 256, while the sum is 21.

The square root of 4421811 is about 2102.8102624821. The cubic root of 4421811 is about 164.1345688089.

The spelling of 4421811 in words is "four million, four hundred twenty-one thousand, eight hundred eleven".