443280226 has 4 divisors (see below), whose sum is σ = 664920342. Its totient is φ = 221640112.

The previous prime is 443280223. The next prime is 443280247. The reversal of 443280226 is 622082344.

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

It can be written as a sum of positive squares in only one way, i.e., 424401201 + 18879025 = 20601^2 + 4345^2 .

It is a super-4 number, since 4×443280226⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (443280221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110820055 + ... + 110820058.

Almost surely, 2^443280226 is an apocalyptic number.

443280226 is a deficient number, since it is larger than the sum of its proper divisors (221640116).

443280226 is a wasteful number, since it uses less digits than its factorization.

443280226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221640115.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 443280226 is about 21054.2210969677. The cubic root of 443280226 is about 762.4758969717.

The spelling of 443280226 in words is "four hundred forty-three million, two hundred eighty thousand, two hundred twenty-six".