16430224 has 20 divisors (see below), whose sum is σ = 32129020. Its totient is φ = 8138880.

The previous prime is 16430221. The next prime is 16430263. The reversal of 16430224 is 42203461.

It is a happy number.

16430224 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 2 ways, for example, as 8410000 + 8020224 = 2900^2 + 2832^2 .

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 16430195 and 16430204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16430221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967 + ... + 6454.

It is an arithmetic number, because the mean of its divisors is an integer number (1606451).

Almost surely, 2^16430224 is an apocalyptic number.

It is an amenable number.

16430224 is a deficient number, since it is larger than the sum of its proper divisors (15698796).

16430224 is a wasteful number, since it uses less digits than its factorization.

16430224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538 (or 9532 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 16430224 is about 4053.4212709759. The cubic root of 16430224 is about 254.2227982927. Note that the first 3 decimals are identical.

Adding to 16430224 its reverse (42203461), we get a palindrome (58633685).

The spelling of 16430224 in words is "sixteen million, four hundred thirty thousand, two hundred twenty-four".