16228712 has 8 divisors (see below), whose sum is σ = 30428850. Its totient is φ = 8114352.

The previous prime is 16228687. The next prime is 16228747. The reversal of 16228712 is 21782261.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 276676 = 3994^2 + 526^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1014287 + ... + 1014302.

Almost surely, 2^16228712 is an apocalyptic number.

It is an amenable number.

16228712 is a deficient number, since it is larger than the sum of its proper divisors (14200138).

16228712 is a wasteful number, since it uses less digits than its factorization.

16228712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028595 (or 2028591 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 16228712 is about 4028.4875573843. The cubic root of 16228712 is about 253.1791967881.

The spelling of 16228712 in words is "sixteen million, two hundred twenty-eight thousand, seven hundred twelve".