2143422338 has 18 divisors (see below), whose sum is σ = 3395227779. Its totient is φ = 1014716052.

The previous prime is 2143422301. The next prime is 2143422353. The reversal of 2143422338 is 8332243412.

It can be written as a sum of positive squares in only one way, i.e., 1071711169 + 1071711169 = 32737^2 + 32737^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32737.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1243145 + ... + 1244867.

Almost surely, 2^2143422338 is an apocalyptic number.

2143422338 is a deficient number, since it is larger than the sum of its proper divisors (1251805441).

2143422338 is an frugal number, since it uses more digits than its factorization.

2143422338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486 (or 1744 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 2143422338 is about 46297.1093914080. The cubic root of 2143422338 is about 1289.3453277277.

Multiplying 2143422338 by its sum of digits (32), we get a square (68589514816 = 261896²).

The spelling of 2143422338 in words is "two billion, one hundred forty-three million, four hundred twenty-two thousand, three hundred thirty-eight".