2143422404 has 48 divisors (see below), whose sum is σ = 3898782720. Its totient is φ = 1030473600.

The previous prime is 2143422401. The next prime is 2143422409. The reversal of 2143422404 is 4042243412.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 2980757 + ... + 2981475.

It is an arithmetic number, because the mean of its divisors is an integer number (81224640).

Almost surely, 2^2143422404 is an apocalyptic number.

It is an amenable number.

2143422404 is a deficient number, since it is larger than the sum of its proper divisors (1755360316).

2143422404 is a wasteful number, since it uses less digits than its factorization.

2143422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2143422404 is about 46297.1101041955. The cubic root of 2143422404 is about 1289.3453409615.

Adding to 2143422404 its reverse (4042243412), we get a palindrome (6185665816).

The spelling of 2143422404 in words is "two billion, one hundred forty-three million, four hundred twenty-two thousand, four hundred four".