19441422 has 144 divisors (see below), whose sum is σ = 57552768. Its totient is φ = 4605120.

The previous prime is 19441403. The next prime is 19441423. The reversal of 19441422 is 22414491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19441423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 234193 + ... + 234275.

It is an arithmetic number, because the mean of its divisors is an integer number (399672).

Almost surely, 2^19441422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19441422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28776384).

19441422 is an abundant number, since it is smaller than the sum of its proper divisors (38111346).

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

19441422 is a wasteful number, since it uses less digits than its factorization.

19441422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 119 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 19441422 is about 4409.2427921356. The cubic root of 19441422 is about 268.8908407627.

It can be divided in two parts, 194 and 41422, that added together give a triangular number (41616 = T₂₈₈).

The spelling of 19441422 in words is "nineteen million, four hundred forty-one thousand, four hundred twenty-two".