443224134 has 48 divisors (see below), whose sum is σ = 1034404800. Its totient is φ = 136705968.

The previous prime is 443224123. The next prime is 443224163. The reversal of 443224134 is 431422344.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 443224098 and 443224107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364 + ... + 29775.

It is an arithmetic number, because the mean of its divisors is an integer number (21550100).

Almost surely, 2^443224134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443224134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517202400).

443224134 is an abundant number, since it is smaller than the sum of its proper divisors (591180666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443224134 is a wasteful number, since it uses less digits than its factorization.

443224134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30209 (or 30206 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 443224134 is about 21052.8889704002. Note that the first 3 decimals coincide. The cubic root of 443224134 is about 762.4437347715.

Adding to 443224134 its reverse (431422344), we get a palindrome (874646478).

The spelling of 443224134 in words is "four hundred forty-three million, two hundred twenty-four thousand, one hundred thirty-four".