2143422204 has 192 divisors, whose sum is σ = 6476574720. Its totient is φ = 535610880.

The previous prime is 2143422191. The next prime is 2143422217. The reversal of 2143422204 is 4022243412.

It is an interprime number because it is at equal distance from previous prime (2143422191) and next prime (2143422217).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2900067 + ... + 2900805.

It is an arithmetic number, because the mean of its divisors is an integer number (33732160).

Almost surely, 2^2143422204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143422204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3238287360).

2143422204 is an abundant number, since it is smaller than the sum of its proper divisors (4333152516).

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

2143422204 is a wasteful number, since it uses less digits than its factorization.

2143422204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 878 counting only the distinct ones).

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

The square root of 2143422204 is about 46297.1079442334. The cubic root of 2143422204 is about 1289.3453008591.

Adding to 2143422204 its reverse (4022243412), we get a palindrome (6165665616).

The spelling of 2143422204 in words is "two billion, one hundred forty-three million, four hundred twenty-two thousand, two hundred four".