19414228 has 12 divisors (see below), whose sum is σ = 34006420. Its totient is φ = 9698112.

The previous prime is 19414223. The next prime is 19414247. The reversal of 19414228 is 82241491.

It can be written as a sum of positive squares in 2 ways, for example, as 18818244 + 595984 = 4338^2 + 772^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19414228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19414223) 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 3 ways as a sum of consecutive naturals, for example, 5800 + ... + 8512.

Almost surely, 2^19414228 is an apocalyptic number.

It is an amenable number.

19414228 is a deficient number, since it is larger than the sum of its proper divisors (14592192).

19414228 is a wasteful number, since it uses less digits than its factorization.

19414228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506 (or 4504 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 19414228 is about 4406.1579635778. The cubic root of 19414228 is about 268.7654104738.

The spelling of 19414228 in words is "nineteen million, four hundred fourteen thousand, two hundred twenty-eight".