1422001143 has 16 divisors (see below), whose sum is σ = 2109304800. Its totient is φ = 946814400.

The previous prime is 1422001127. The next prime is 1422001157. The reversal of 1422001143 is 3411002241.

It is not a de Polignac number, because 1422001143 - 2⁴ = 1422001127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422001103) 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, 10708 + ... + 54393.

It is an arithmetic number, because the mean of its divisors is an integer number (131831550).

Almost surely, 2^1422001143 is an apocalyptic number.

1422001143 is a deficient number, since it is larger than the sum of its proper divisors (687303657).

1422001143 is an equidigital number, since it uses as much as digits as its factorization.

1422001143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65919 (or 65913 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1422001143 is about 37709.4304252928. The cubic root of 1422001143 is about 1124.5186136002.

Adding to 1422001143 its reverse (3411002241), we get a palindrome (4833003384).

The spelling of 1422001143 in words is "one billion, four hundred twenty-two million, one thousand, one hundred forty-three".