2142811422 has 48 divisors (see below), whose sum is σ = 5024073600. Its totient is φ = 683211672.

The previous prime is 2142811379. The next prime is 2142811423. The reversal of 2142811422 is 2241182412.

2142811422 is a `hidden beast` number, since 214 + 28 + 1 + 1 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142811423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84672 + ... + 107027.

It is an arithmetic number, because the mean of its divisors is an integer number (104668200).

Almost surely, 2^2142811422 is an apocalyptic number.

2142811422 is an abundant number, since it is smaller than the sum of its proper divisors (2881262178).

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

2142811422 is a wasteful number, since it uses less digits than its factorization.

2142811422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191739 (or 191727 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2142811422 is about 46290.5111442939. The cubic root of 2142811422 is about 1289.2228201343. Note that the first 3 decimals are identical.

Adding to 2142811422 its reverse (2241182412), we get a palindrome (4383993834).

The spelling of 2142811422 in words is "two billion, one hundred forty-two million, eight hundred eleven thousand, four hundred twenty-two".