443226 has 32 divisors (see below), whose sum is σ = 1035648. Its totient is φ = 123840.

The previous prime is 443221. The next prime is 443227. The reversal of 443226 is 622344.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2476 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (32364).

2⁴⁴³²²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517824).

443226 is an abundant number, since it is smaller than the sum of its proper divisors (592422).

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

443226 is a wasteful number, since it uses less digits than its factorization.

443226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its digits is 1152, while the sum is 21.

The square root of 443226 is about 665.7522061548. The cubic root of 443226 is about 76.2444804748.

The spelling of 443226 in words is "four hundred forty-three thousand, two hundred twenty-six".