19471422 has 8 divisors (see below), whose sum is σ = 38942856. Its totient is φ = 6490472.

The previous prime is 19471421. The next prime is 19471423. The reversal of 19471422 is 22417491.

It is an interprime number because it is at equal distance from previous prime (19471421) and next prime (19471423).

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

19471422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 19471422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19471421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622613 + ... + 1622624.

It is an arithmetic number, because the mean of its divisors is an integer number (4867857).

Almost surely, 2^19471422 is an apocalyptic number.

19471422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19471422 is a wasteful number, since it uses less digits than its factorization.

19471422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245242.

The product of its digits is 4032, while the sum is 30.

The square root of 19471422 is about 4412.6434254311. The cubic root of 19471422 is about 269.0290778994.

The spelling of 19471422 in words is "nineteen million, four hundred seventy-one thousand, four hundred twenty-two".