19228924 has 24 divisors (see below), whose sum is σ = 39534768. Its totient is φ = 8067840.

The previous prime is 19228907. The next prime is 19228949. The reversal of 19228924 is 42982291.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16237 + ... + 17380.

It is an arithmetic number, because the mean of its divisors is an integer number (1647282).

Almost surely, 2^19228924 is an apocalyptic number.

It is an amenable number.

19228924 is an abundant number, since it is smaller than the sum of its proper divisors (20305844).

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

19228924 is a wasteful number, since it uses less digits than its factorization.

19228924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33645 (or 33643 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 19228924 is about 4385.0797028104. The cubic root of 19228924 is about 267.9075756145.

The spelling of 19228924 in words is "nineteen million, two hundred twenty-eight thousand, nine hundred twenty-four".