2142422184 has 64 divisors (see below), whose sum is σ = 6132349440. Its totient is φ = 611006400.

The previous prime is 2142422167. The next prime is 2142422209. The reversal of 2142422184 is 4812242412.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83259 + ... + 105909.

It is an arithmetic number, because the mean of its divisors is an integer number (95817960).

Almost surely, 2^2142422184 is an apocalyptic number.

2142422184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2142422184 is an abundant number, since it is smaller than the sum of its proper divisors (3989927256).

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

2142422184 is a wasteful number, since it uses less digits than its factorization.

2142422184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23230 (or 23226 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 2142422184 is about 46286.3066575850. The cubic root of 2142422184 is about 1289.1447537064.

Adding to 2142422184 its reverse (4812242412), we get a palindrome (6954664596).

The spelling of 2142422184 in words is "two billion, one hundred forty-two million, four hundred twenty-two thousand, one hundred eighty-four".