19883228 has 12 divisors (see below), whose sum is σ = 34897800. Its totient is φ = 9912432.

The previous prime is 19883219. The next prime is 19883267. The reversal of 19883228 is 82238891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5726 + ... + 8517.

It is an arithmetic number, because the mean of its divisors is an integer number (2908150).

Almost surely, 2^19883228 is an apocalyptic number.

It is an amenable number.

19883228 is a deficient number, since it is larger than the sum of its proper divisors (15014572).

19883228 is a wasteful number, since it uses less digits than its factorization.

19883228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596 (or 14594 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 19883228 is about 4459.0613362007. The cubic root of 19883228 is about 270.9124502165.

The spelling of 19883228 in words is "nineteen million, eight hundred eighty-three thousand, two hundred twenty-eight".