19492227422 has 8 divisors (see below), whose sum is σ = 29638866576. Its totient is φ = 9612605232.

The previous prime is 19492227401. The next prime is 19492227463. The reversal of 19492227422 is 22472229491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66754058 + ... + 66754349.

It is an arithmetic number, because the mean of its divisors is an integer number (3704858322).

Almost surely, 2^19492227422 is an apocalyptic number.

19492227422 is a deficient number, since it is larger than the sum of its proper divisors (10146639154).

19492227422 is a wasteful number, since it uses less digits than its factorization.

19492227422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133508482.

The product of its digits is 290304, while the sum is 44.

The spelling of 19492227422 in words is "nineteen billion, four hundred ninety-two million, two hundred twenty-seven thousand, four hundred twenty-two".