441433231 has 4 divisors (see below), whose sum is σ = 442534464. Its totient is φ = 440332000.

The previous prime is 441433159. The next prime is 441433241. The reversal of 441433231 is 132334144.

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

It is a cyclic number.

It is not a de Polignac number, because 441433231 - 2¹⁷ = 441302159 is a prime.

It is a super-2 number, since 2×441433231² = 389726594862198722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441433196 and 441433205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441433241) 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, 550015 + ... + 550816.

It is an arithmetic number, because the mean of its divisors is an integer number (110633616).

Almost surely, 2^441433231 is an apocalyptic number.

441433231 is a deficient number, since it is larger than the sum of its proper divisors (1101233).

441433231 is a wasteful number, since it uses less digits than its factorization.

441433231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101232.

The product of its digits is 3456, while the sum is 25.

The square root of 441433231 is about 21010.3124917265. The cubic root of 441433231 is about 761.4154318469.

Adding to 441433231 its reverse (132334144), we get a palindrome (573767375).

It can be divided in two parts, 44143 and 3231, that added together give a palindrome (47374).

The spelling of 441433231 in words is "four hundred forty-one million, four hundred thirty-three thousand, two hundred thirty-one".