16019228 has 6 divisors (see below), whose sum is σ = 28033656. Its totient is φ = 8009612.

The previous prime is 16019209. The next prime is 16019239. The reversal of 16019228 is 82291061.

It is a self number, because there is not a number n which added to its sum of digits gives 16019228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002400 + ... + 2002407.

It is an arithmetic number, because the mean of its divisors is an integer number (4672276).

Almost surely, 2^16019228 is an apocalyptic number.

It is an amenable number.

16019228 is a deficient number, since it is larger than the sum of its proper divisors (12014428).

16019228 is a wasteful number, since it uses less digits than its factorization.

16019228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004811 (or 4004809 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 16019228 is about 4002.4027783320. The cubic root of 16019228 is about 252.0851102456.

The spelling of 16019228 in words is "sixteen million, nineteen thousand, two hundred twenty-eight".