16144322 has 16 divisors (see below), whose sum is σ = 25735320. Its totient is φ = 7569408.

The previous prime is 16144313. The next prime is 16144327. The reversal of 16144322 is 22344161.

It can be written as a sum of positive squares in 4 ways, for example, as 9431041 + 6713281 = 3071^2 + 2591^2 .

It is not an unprimeable number, because it can be changed into a prime (16144327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10754 + ... + 12162.

Almost surely, 2^16144322 is an apocalyptic number.

16144322 is a deficient number, since it is larger than the sum of its proper divisors (9590998).

16144322 is a wasteful number, since it uses less digits than its factorization.

16144322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its digits is 1152, while the sum is 23.

The square root of 16144322 is about 4017.9997511200. Note that the first 3 decimals coincide. The cubic root of 16144322 is about 252.7395863387.

Adding to 16144322 its reverse (22344161), we get a palindrome (38488483).

The spelling of 16144322 in words is "sixteen million, one hundred forty-four thousand, three hundred twenty-two".