1002022143 has 16 divisors (see below), whose sum is σ = 1417844736. Its totient is φ = 627286400.

The previous prime is 1002022103. The next prime is 1002022157. The reversal of 1002022143 is 3412202001.

It is not a de Polignac number, because 1002022143 - 2¹⁶ = 1001956607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418 + ... + 44768.

It is an arithmetic number, because the mean of its divisors is an integer number (88615296).

Almost surely, 2^1002022143 is an apocalyptic number.

1002022143 is a deficient number, since it is larger than the sum of its proper divisors (415822593).

1002022143 is a wasteful number, since it uses less digits than its factorization.

1002022143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44814.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1002022143 is about 31654.7333427404. The cubic root of 1002022143 is about 1000.6735938361.

Adding to 1002022143 its reverse (3412202001), we get a palindrome (4414224144).

The spelling of 1002022143 in words is "one billion, two million, twenty-two thousand, one hundred forty-three".