1440226 has 8 divisors (see below), whose sum is σ = 2169180. Its totient is φ = 717168.

The previous prime is 1440211. The next prime is 1440233. The reversal of 1440226 is 6220441.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 442225 = 999^2 + 665^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801 + ... + 1876.

2^1440226 is an apocalyptic number.

1440226 is a deficient number, since it is larger than the sum of its proper divisors (728954).

1440226 is a wasteful number, since it uses less digits than its factorization.

1440226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1440226 is about 1200.0941629722. The cubic root of 1440226 is about 112.9302307718.

Adding to 1440226 its reverse (6220441), we get a palindrome (7660667).

The spelling of 1440226 in words is "one million, four hundred forty thousand, two hundred twenty-six".