22142142404 has 12 divisors (see below), whose sum is σ = 40788157200. Its totient is φ = 10488383208.

The previous prime is 22142142403. The next prime is 22142142427. The reversal of 22142142404 is 40424124122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22142142403) 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 3 ways as a sum of consecutive naturals, for example, 145671914 + ... + 145672065.

It is an arithmetic number, because the mean of its divisors is an integer number (3399013100).

Almost surely, 2^22142142404 is an apocalyptic number.

It is an amenable number.

22142142404 is a deficient number, since it is larger than the sum of its proper divisors (18646014796).

22142142404 is a wasteful number, since it uses less digits than its factorization.

22142142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291344002 (or 291344000 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 22142142404 its reverse (40424124122), we get a palindrome (62566266526).

The spelling of 22142142404 in words is "twenty-two billion, one hundred forty-two million, one hundred forty-two thousand, four hundred four".