4421331 has 8 divisors (see below), whose sum is σ = 6550160. Its totient is φ = 2947536.

The previous prime is 4421323. The next prime is 4421353. The reversal of 4421331 is 1331244.

It is not a de Polignac number, because 4421331 - 2³ = 4421323 is a prime.

It is a super-2 number, since 2×4421331² = 39096335623122, 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 (4421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81850 + ... + 81903.

It is an arithmetic number, because the mean of its divisors is an integer number (818770).

Almost surely, 2^4421331 is an apocalyptic number.

4421331 is a deficient number, since it is larger than the sum of its proper divisors (2128829).

4421331 is a wasteful number, since it uses less digits than its factorization.

4421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163762 (or 163756 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4421331 is about 2102.6961264053. The cubic root of 4421331 is about 164.1286295045.

Adding to 4421331 its reverse (1331244), we get a palindrome (5752575).

It can be divided in two parts, 44213 and 31, that added together give a palindrome (44244).

The spelling of 4421331 in words is "four million, four hundred twenty-one thousand, three hundred thirty-one".