22404140142 has 16 divisors (see below), whose sum is σ = 44822823120. Its totient is φ = 7465622912.

The previous prime is 22404140141. The next prime is 22404140147. The reversal of 22404140142 is 24104140422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404140141) 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 7 ways as a sum of consecutive naturals, for example, 585873 + ... + 622940.

It is an arithmetic number, because the mean of its divisors is an integer number (2801426445).

Almost surely, 2^22404140142 is an apocalyptic number.

22404140142 is an abundant number, since it is smaller than the sum of its proper divisors (22418682978).

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

22404140142 is a wasteful number, since it uses less digits than its factorization.

22404140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211907.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22404140142 its reverse (24104140422), we get a palindrome (46508280564).

The spelling of 22404140142 in words is "twenty-two billion, four hundred four million, one hundred forty thousand, one hundred forty-two".