438226 has 8 divisors (see below), whose sum is σ = 696060. Its totient is φ = 206208.

The previous prime is 438223. The next prime is 438233. The reversal of 438226 is 622834.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 416025 + 22201 = 645^2 + 149^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 438226.

It is not an unprimeable number, because it can be changed into a prime (438223) 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, 6411 + ... + 6478.

2⁴³⁸²²⁶ is an apocalyptic number.

438226 is a deficient number, since it is larger than the sum of its proper divisors (257834).

438226 is a wasteful number, since it uses less digits than its factorization.

438226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12908.

The product of its digits is 2304, while the sum is 25.

The square root of 438226 is about 661.9864046942. The cubic root of 438226 is about 75.9566927784.

The spelling of 438226 in words is "four hundred thirty-eight thousand, two hundred twenty-six".