16456228 has 6 divisors (see below), whose sum is σ = 28798406. Its totient is φ = 8228112.

The previous prime is 16456183. The next prime is 16456241. The reversal of 16456228 is 82265461.

16456228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12096484 + 4359744 = 3478^2 + 2088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16456193 and 16456202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2057025 + ... + 2057032.

Almost surely, 2^16456228 is an apocalyptic number.

It is an amenable number.

16456228 is a deficient number, since it is larger than the sum of its proper divisors (12342178).

16456228 is a wasteful number, since it uses less digits than its factorization.

16456228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114061 (or 4114059 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 16456228 is about 4056.6276634663. The cubic root of 16456228 is about 254.3568464770.

The spelling of 16456228 in words is "sixteen million, four hundred fifty-six thousand, two hundred twenty-eight".