16041224 has 16 divisors (see below), whose sum is σ = 30376620. Its totient is φ = 7940800.

The previous prime is 16041211. The next prime is 16041247. The reversal of 16041224 is 42214061.

It can be written as a sum of positive squares in 2 ways, for example, as 15856324 + 184900 = 3982^2 + 430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16041196 and 16041205.

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, 9119 + ... + 10734.

Almost surely, 2^16041224 is an apocalyptic number.

It is an amenable number.

16041224 is a deficient number, since it is larger than the sum of its proper divisors (14335396).

16041224 is a wasteful number, since it uses less digits than its factorization.

16041224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19960 (or 19956 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 16041224 is about 4005.1496850929. The cubic root of 16041224 is about 252.2004368213.

Adding to 16041224 its reverse (42214061), we get a palindrome (58255285).

The spelling of 16041224 in words is "sixteen million, forty-one thousand, two hundred twenty-four".