16622224 has 20 divisors (see below), whose sum is σ = 32341680. Its totient is φ = 8276000.

The previous prime is 16622219. The next prime is 16622233. The reversal of 16622224 is 42222661.

16622224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1947 + ... + 6085.

It is an arithmetic number, because the mean of its divisors is an integer number (1617084).

Almost surely, 2^16622224 is an apocalyptic number.

It is an amenable number.

16622224 is a deficient number, since it is larger than the sum of its proper divisors (15719456).

16622224 is a wasteful number, since it uses less digits than its factorization.

16622224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398 (or 4392 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 16622224 is about 4077.0361784021. The cubic root of 16622224 is about 255.2092297904.

Adding to 16622224 its reverse (42222661), we get a palindrome (58844885).

The spelling of 16622224 in words is "sixteen million, six hundred twenty-two thousand, two hundred twenty-four".