2143531422 has 24 divisors (see below), whose sum is σ = 4647933264. Its totient is φ = 713954304.

The previous prime is 2143531421. The next prime is 2143531459. The reversal of 2143531422 is 2241353412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143531421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22243 + ... + 69150.

It is an arithmetic number, because the mean of its divisors is an integer number (193663886).

Almost surely, 2^2143531422 is an apocalyptic number.

2143531422 is an abundant number, since it is smaller than the sum of its proper divisors (2504401842).

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

2143531422 is a wasteful number, since it uses less digits than its factorization.

2143531422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92704 (or 92701 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2143531422 is about 46298.2874629289. The cubic root of 2143531422 is about 1289.3672000013.

Adding to 2143531422 its reverse (2241353412), we get a palindrome (4384884834).

The spelling of 2143531422 in words is "two billion, one hundred forty-three million, five hundred thirty-one thousand, four hundred twenty-two".