441133221 has 8 divisors (see below), whose sum is σ = 622776384. Its totient is φ = 276789440.

The previous prime is 441133213. The next prime is 441133229. The reversal of 441133221 is 122331144.

It is an interprime number because it is at equal distance from previous prime (441133213) and next prime (441133229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 441133221 - 2³ = 441133213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441133229) 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, 4324785 + ... + 4324886.

It is an arithmetic number, because the mean of its divisors is an integer number (77847048).

Almost surely, 2^441133221 is an apocalyptic number.

It is an amenable number.

441133221 is a deficient number, since it is larger than the sum of its proper divisors (181643163).

441133221 is a wasteful number, since it uses less digits than its factorization.

441133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649691.

The product of its digits is 576, while the sum is 21.

The square root of 441133221 is about 21003.1716890569. The cubic root of 441133221 is about 761.2428998936.

Adding to 441133221 its reverse (122331144), we get a palindrome (563464365).

It can be divided in two parts, 44 and 1133221, that added together give a triangular number (1133265 = T₁₅₀₅).

The spelling of 441133221 in words is "four hundred forty-one million, one hundred thirty-three thousand, two hundred twenty-one".