19446225244 has 12 divisors (see below), whose sum is σ = 34032570768. Its totient is φ = 9722633600.

The previous prime is 19446225223. The next prime is 19446225289. The reversal of 19446225244 is 44252264491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19446225244.

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 3 ways as a sum of consecutive naturals, for example, 18997 + ... + 198124.

It is an arithmetic number, because the mean of its divisors is an integer number (2836047564).

Almost surely, 2^19446225244 is an apocalyptic number.

It is an amenable number.

19446225244 is a deficient number, since it is larger than the sum of its proper divisors (14586345524).

19446225244 is a wasteful number, since it uses less digits than its factorization.

19446225244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239516 (or 239514 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The spelling of 19446225244 in words is "nineteen billion, four hundred forty-six million, two hundred twenty-five thousand, two hundred forty-four".