16419228 has 48 divisors (see below), whose sum is σ = 44540160. Its totient is φ = 4610304.

The previous prime is 16419223. The next prime is 16419269. The reversal of 16419228 is 82291461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16419223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3300 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (927920).

Almost surely, 2^16419228 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 16419228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22270080).

16419228 is an abundant number, since it is smaller than the sum of its proper divisors (28120932).

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

16419228 is a wasteful number, since it uses less digits than its factorization.

16419228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386 (or 3384 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 16419228 is about 4052.0646589116. The cubic root of 16419228 is about 254.1660723925.

The spelling of 16419228 in words is "sixteen million, four hundred nineteen thousand, two hundred twenty-eight".