19422168 has 32 divisors (see below), whose sum is σ = 49474800. Its totient is φ = 6351488.

The previous prime is 19422167. The next prime is 19422173. The reversal of 19422168 is 86122491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19422167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6363 + ... + 8906.

Almost surely, 2^19422168 is an apocalyptic number.

It is an amenable number.

19422168 is an abundant number, since it is smaller than the sum of its proper divisors (30052632).

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

19422168 is a wasteful number, since it uses less digits than its factorization.

19422168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15331 (or 15327 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 19422168 is about 4407.0588832009. The cubic root of 19422168 is about 268.8020452296.

The spelling of 19422168 in words is "nineteen million, four hundred twenty-two thousand, one hundred sixty-eight".