1002143422 has 16 divisors (see below), whose sum is σ = 1720575072. Its totient is φ = 428836320.

The previous prime is 1002143383. The next prime is 1002143431. The reversal of 1002143422 is 2243412001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002143422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44893 + ... + 63400.

It is an arithmetic number, because the mean of its divisors is an integer number (107535942).

Almost surely, 2^1002143422 is an apocalyptic number.

1002143422 is a deficient number, since it is larger than the sum of its proper divisors (718431650).

1002143422 is a wasteful number, since it uses less digits than its factorization.

1002143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108963.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1002143422 is about 31656.6489382562. The cubic root of 1002143422 is about 1000.7139641339.

Adding to 1002143422 its reverse (2243412001), we get a palindrome (3245555423).

The spelling of 1002143422 in words is "one billion, two million, one hundred forty-three thousand, four hundred twenty-two".