2100142422 has 48 divisors (see below), whose sum is σ = 5340914592. Its totient is φ = 583822080.

The previous prime is 2100142411. The next prime is 2100142427. The reversal of 2100142422 is 2242410012.

2100142422 is a `hidden beast` number, since 2 + 100 + 142 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2100142395 and 2100142404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100142427) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 220579 + ... + 229902.

It is an arithmetic number, because the mean of its divisors is an integer number (111269054).

Almost surely, 2^2100142422 is an apocalyptic number.

2100142422 is an abundant number, since it is smaller than the sum of its proper divisors (3240772170).

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

2100142422 is a wasteful number, since it uses less digits than its factorization.

2100142422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450533 (or 450530 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2100142422 is about 45827.3108746302. The cubic root of 2100142422 is about 1280.6081139594.

Adding to 2100142422 its reverse (2242410012), we get a palindrome (4342552434).

The spelling of 2100142422 in words is "two billion, one hundred million, one hundred forty-two thousand, four hundred twenty-two".