1022856143 has 8 divisors (see below), whose sum is σ = 1027345200. Its totient is φ = 1018375488.

The previous prime is 1022856139. The next prime is 1022856193. The reversal of 1022856143 is 3416582201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022856143 - 2² = 1022856139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022856193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383348 + ... + 386006.

It is an arithmetic number, because the mean of its divisors is an integer number (128418150).

Almost surely, 2^1022856143 is an apocalyptic number.

1022856143 is a deficient number, since it is larger than the sum of its proper divisors (4489057).

1022856143 is a wasteful number, since it uses less digits than its factorization.

1022856143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1022856143 is about 31982.1222404017. The cubic root of 1022856143 is about 1007.5613955242.

The spelling of 1022856143 in words is "one billion, twenty-two million, eight hundred fifty-six thousand, one hundred forty-three".