1440012422 has 8 divisors (see below), whose sum is σ = 2162553456. Its totient is φ = 719161272.

The previous prime is 1440012419. The next prime is 1440012439. The reversal of 1440012422 is 2242100441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1440012394 and 1440012403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420338 + ... + 423749.

It is an arithmetic number, because the mean of its divisors is an integer number (270319182).

Almost surely, 2^1440012422 is an apocalyptic number.

1440012422 is a deficient number, since it is larger than the sum of its proper divisors (722541034).

1440012422 is an equidigital number, since it uses as much as digits as its factorization.

1440012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844942.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1440012422 is about 37947.4955958888. The cubic root of 1440012422 is about 1129.2464817450.

Adding to 1440012422 its reverse (2242100441), we get a palindrome (3682112863).

The spelling of 1440012422 in words is "one billion, four hundred forty million, twelve thousand, four hundred twenty-two".