19228819142 has 16 divisors (see below), whose sum is σ = 31099442640. Its totient is φ = 8864124192.

The previous prime is 19228819121. The next prime is 19228819189. The reversal of 19228819142 is 24191882291.

It is a congruent number.

It is an unprimeable number.

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, 424508 + ... + 467615.

It is an arithmetic number, because the mean of its divisors is an integer number (1943715165).

Almost surely, 2^19228819142 is an apocalyptic number.

19228819142 is a deficient number, since it is larger than the sum of its proper divisors (11870623498).

19228819142 is a wasteful number, since it uses less digits than its factorization.

19228819142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892967.

The product of its digits is 165888, while the sum is 47.

The spelling of 19228819142 in words is "nineteen billion, two hundred twenty-eight million, eight hundred nineteen thousand, one hundred forty-two".