16453228 has 12 divisors (see below), whose sum is σ = 31410792. Its totient is φ = 7478720.

The previous prime is 16453201. The next prime is 16453247. The reversal of 16453228 is 82235461.

It is a self number, because there is not a number n which added to its sum of digits gives 16453228.

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, 186925 + ... + 187012.

It is an arithmetic number, because the mean of its divisors is an integer number (2617566).

Almost surely, 2^16453228 is an apocalyptic number.

It is an amenable number.

16453228 is a deficient number, since it is larger than the sum of its proper divisors (14957564).

16453228 is a wasteful number, since it uses less digits than its factorization.

16453228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373952 (or 373950 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 16453228 is about 4056.2578813483. The cubic root of 16453228 is about 254.3413889673.

Adding to 16453228 its reverse (82235461), we get a palindrome (98688689).

The spelling of 16453228 in words is "sixteen million, four hundred fifty-three thousand, two hundred twenty-eight".