16213224 has 16 divisors (see below), whose sum is σ = 40533120. Its totient is φ = 5404400.

The previous prime is 16213207. The next prime is 16213247. The reversal of 16213224 is 42231261.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16213224.

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, 337752 + ... + 337799.

It is an arithmetic number, because the mean of its divisors is an integer number (2533320).

Almost surely, 2^16213224 is an apocalyptic number.

It is an amenable number.

16213224 is an abundant number, since it is smaller than the sum of its proper divisors (24319896).

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

16213224 is a wasteful number, since it uses less digits than its factorization.

16213224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675560 (or 675556 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 16213224 is about 4026.5647889982. The cubic root of 16213224 is about 253.0986299613.

Adding to 16213224 its reverse (42231261), we get a palindrome (58444485).

The spelling of 16213224 in words is "sixteen million, two hundred thirteen thousand, two hundred twenty-four".