22140110142 has 12 divisors (see below), whose sum is σ = 47970238680. Its totient is φ = 7380036708.

The previous prime is 22140110141. The next prime is 22140110143. The reversal of 22140110142 is 24101104122.

22140110142 is a `hidden beast` number, since 221 + 401 + 1 + 0 + 1 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (22140110141) and next prime (22140110143).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1230006119 = 22140110142 / (2 + 2 + 1 + 4 + 0 + 1 + 1 + 0 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140110141) 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 5 ways as a sum of consecutive naturals, for example, 615003042 + ... + 615003077.

It is an arithmetic number, because the mean of its divisors is an integer number (3997519890).

Almost surely, 2^22140110142 is an apocalyptic number.

22140110142 is an abundant number, since it is smaller than the sum of its proper divisors (25830128538).

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

22140110142 is a wasteful number, since it uses less digits than its factorization.

22140110142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230006127 (or 1230006124 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22140110142 its reverse (24101104122), we get a palindrome (46241214264).

The spelling of 22140110142 in words is "twenty-two billion, one hundred forty million, one hundred ten thousand, one hundred forty-two".