1443440022 has 16 divisors (see below), whose sum is σ = 2898961920. Its totient is φ = 479133032.

The previous prime is 1443439999. The next prime is 1443440087. The reversal of 1443440022 is 2200443441.

It is a happy number.

It is a super-2 number, since 2×1443440022² = 4167038194222720968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1443439974 and 1443440001.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 501858 + ... + 504725.

It is an arithmetic number, because the mean of its divisors is an integer number (181185120).

Almost surely, 2^1443440022 is an apocalyptic number.

1443440022 is an abundant number, since it is smaller than the sum of its proper divisors (1455521898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443440022 is a wasteful number, since it uses less digits than its factorization.

1443440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006827.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1443440022 is about 37992.6311539488. The cubic root of 1443440022 is about 1130.1417375137.

Adding to 1443440022 its reverse (2200443441), we get a palindrome (3643883463).

The spelling of 1443440022 in words is "one billion, four hundred forty-three million, four hundred forty thousand, twenty-two".