16413228 has 72 divisors (see below), whose sum is σ = 47331648. Its totient is φ = 4750848.

The previous prime is 16413227. The next prime is 16413233. The reversal of 16413228 is 82231461.

It is not an unprimeable number, because it can be changed into a prime (16413223) 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 23 ways as a sum of consecutive naturals, for example, 6925 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (657384).

Almost surely, 2^16413228 is an apocalyptic number.

16413228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16413228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23665824).

16413228 is an abundant number, since it is smaller than the sum of its proper divisors (30918420).

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

16413228 is a wasteful number, since it uses less digits than its factorization.

16413228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2098 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 16413228 is about 4051.3242279531. The cubic root of 16413228 is about 254.1351090563.

Adding to 16413228 its reverse (82231461), we get a palindrome (98644689).

It can be divided in two parts, 16413 and 228, that added together give a square (16641 = 129²).

The spelling of 16413228 in words is "sixteen million, four hundred thirteen thousand, two hundred twenty-eight".