1440200222 has 4 divisors (see below), whose sum is σ = 2160300336. Its totient is φ = 720100110.

The previous prime is 1440200221. The next prime is 1440200227. The reversal of 1440200222 is 2220020441.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1440200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440200221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360050054 + ... + 360050057.

It is an arithmetic number, because the mean of its divisors is an integer number (540075084).

Almost surely, 2^1440200222 is an apocalyptic number.

1440200222 is a deficient number, since it is larger than the sum of its proper divisors (720100114).

1440200222 is an equidigital number, since it uses as much as digits as its factorization.

1440200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720100113.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1440200222 is about 37949.9699868129. The cubic root of 1440200222 is about 1129.2955700416.

Adding to 1440200222 its reverse (2220020441), we get a palindrome (3660220663).

The spelling of 1440200222 in words is "one billion, four hundred forty million, two hundred thousand, two hundred twenty-two".