444261226 has 8 divisors (see below), whose sum is σ = 672990084. Its totient is φ = 219931200.

The previous prime is 444261157. The next prime is 444261239. The reversal of 444261226 is 622162444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 315098001 + 129163225 = 17751^2 + 11365^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1099455 + ... + 1099858.

Almost surely, 2^444261226 is an apocalyptic number.

444261226 is a deficient number, since it is larger than the sum of its proper divisors (228728858).

444261226 is a wasteful number, since it uses less digits than its factorization.

444261226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199416.

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

The square root of 444261226 is about 21077.5052129041. The cubic root of 444261226 is about 763.0379475741.

The spelling of 444261226 in words is "four hundred forty-four million, two hundred sixty-one thousand, two hundred twenty-six".