1440113222 has 4 divisors (see below), whose sum is σ = 2160169836. Its totient is φ = 720056610.

The previous prime is 1440113203. The next prime is 1440113239. The reversal of 1440113222 is 2223110441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2223110441 = 89 ⋅24978769.

It is a junction number, because it is equal to n+sod(n) for n = 1440113194 and 1440113203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360028304 + ... + 360028307.

It is an arithmetic number, because the mean of its divisors is an integer number (540042459).

Almost surely, 2^1440113222 is an apocalyptic number.

1440113222 is a deficient number, since it is larger than the sum of its proper divisors (720056614).

1440113222 is an equidigital number, since it uses as much as digits as its factorization.

1440113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720056613.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440113222 is about 37948.8237235359. The cubic root of 1440113222 is about 1129.2728299875.

Adding to 1440113222 its reverse (2223110441), we get a palindrome (3663223663).

The spelling of 1440113222 in words is "one billion, four hundred forty million, one hundred thirteen thousand, two hundred twenty-two".