19472558922 has 40 divisors (see below), whose sum is σ = 45040482432. Its totient is φ = 6281469000.

The previous prime is 19472558909. The next prime is 19472558929. The reversal of 19472558922 is 22985527491.

19472558922 is a `hidden beast` number, since 19 + 4 + 7 + 25 + 589 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (19472558929) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1933704 + ... + 1943747.

Almost surely, 2^19472558922 is an apocalyptic number.

19472558922 is an abundant number, since it is smaller than the sum of its proper divisors (25567923510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19472558922 is a wasteful number, since it uses less digits than its factorization.

19472558922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877496 (or 3877487 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 19472558922 in words is "nineteen billion, four hundred seventy-two million, five hundred fifty-eight thousand, nine hundred twenty-two".