1440430022 has 8 divisors (see below), whose sum is σ = 2173901016. Its totient is φ = 715796352.

The previous prime is 1440430007. The next prime is 1440430031. The reversal of 1440430022 is 2200340441.

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 = 1440429976 and 1440430003.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2208923 + ... + 2209574.

It is an arithmetic number, because the mean of its divisors is an integer number (271737627).

Almost surely, 2^1440430022 is an apocalyptic number.

1440430022 is a deficient number, since it is larger than the sum of its proper divisors (733470994).

1440430022 is a wasteful number, since it uses less digits than its factorization.

1440430022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418662.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1440430022 is about 37952.9975364266. The cubic root of 1440430022 is about 1129.3556307463.

Adding to 1440430022 its reverse (2200340441), we get a palindrome (3640770463).

The spelling of 1440430022 in words is "one billion, four hundred forty million, four hundred thirty thousand, twenty-two".