2140423422 has 16 divisors (see below), whose sum is σ = 4332424320. Its totient is φ = 704878232.

The previous prime is 2140423421. The next prime is 2140423429. The reversal of 2140423422 is 2243240412.

It is a junction number, because it is equal to n+sod(n) for n = 2140423392 and 2140423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140423421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148522 + ... + 2149517.

It is an arithmetic number, because the mean of its divisors is an integer number (270776520).

Almost surely, 2^2140423422 is an apocalyptic number.

2140423422 is an abundant number, since it is smaller than the sum of its proper divisors (2192000898).

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

2140423422 is a wasteful number, since it uses less digits than its factorization.

2140423422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298127.

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

The square root of 2140423422 is about 46264.7103308775. The cubic root of 2140423422 is about 1288.7437285980.

Adding to 2140423422 its reverse (2243240412), we get a palindrome (4383663834).

The spelling of 2140423422 in words is "two billion, one hundred forty million, four hundred twenty-three thousand, four hundred twenty-two".