22403121142 has 16 divisors (see below), whose sum is σ = 33814478880. Its totient is φ = 11131662528.

The previous prime is 22403121133. The next prime is 22403121163. The reversal of 22403121142 is 24112130422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071084 + ... + 2081872.

It is an arithmetic number, because the mean of its divisors is an integer number (2113404930).

Almost surely, 2^22403121142 is an apocalyptic number.

22403121142 is a deficient number, since it is larger than the sum of its proper divisors (11411357738).

22403121142 is a wasteful number, since it uses less digits than its factorization.

22403121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17175.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22403121142 its reverse (24112130422), we get a palindrome (46515251564).

The spelling of 22403121142 in words is "twenty-two billion, four hundred three million, one hundred twenty-one thousand, one hundred forty-two".