2143422402 has 16 divisors (see below), whose sum is σ = 4676558112. Its totient is φ = 649521920.

The previous prime is 2143422401. The next prime is 2143422409. The reversal of 2143422402 is 2042243412.

It is not an unprimeable number, because it can be changed into a prime (2143422401) 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, 16237983 + ... + 16238114.

It is an arithmetic number, because the mean of its divisors is an integer number (292284882).

Almost surely, 2^2143422402 is an apocalyptic number.

2143422402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2143422402 is an abundant number, since it is smaller than the sum of its proper divisors (2533135710).

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

2143422402 is a wasteful number, since it uses less digits than its factorization.

2143422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32476113.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2143422402 is about 46297.1100825959. The cubic root of 2143422402 is about 1289.3453405604.

Adding to 2143422402 its reverse (2042243412), we get a palindrome (4185665814).

The spelling of 2143422402 in words is "two billion, one hundred forty-three million, four hundred twenty-two thousand, four hundred two".