19030224 has 40 divisors (see below), whose sum is σ = 49844032. Its totient is φ = 6255360.

The previous prime is 19030213. The next prime is 19030243. The reversal of 19030224 is 42203091.

It is a self number, because there is not a number n which added to its sum of digits gives 19030224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789 + ... + 6219.

Almost surely, 2^19030224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19030224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24922016).

19030224 is an abundant number, since it is smaller than the sum of its proper divisors (30813808).

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

19030224 is a wasteful number, since it uses less digits than its factorization.

19030224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5509 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 19030224 is about 4362.3644964629. The cubic root of 19030224 is about 266.9815807406.

The spelling of 19030224 in words is "nineteen million, thirty thousand, two hundred twenty-four".