19422587104 has 12 divisors (see below), whose sum is σ = 38238218424. Its totient is φ = 9711293536.

The previous prime is 19422587089. The next prime is 19422587123. The reversal of 19422587104 is 40178522491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303477892 + ... + 303477955.

It is an arithmetic number, because the mean of its divisors is an integer number (3186518202).

Almost surely, 2^19422587104 is an apocalyptic number.

It is an amenable number.

19422587104 is a deficient number, since it is larger than the sum of its proper divisors (18815631320).

19422587104 is an equidigital number, since it uses as much as digits as its factorization.

19422587104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606955857 (or 606955849 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 19422587104 in words is "nineteen billion, four hundred twenty-two million, five hundred eighty-seven thousand, one hundred four".