2013224 has 8 divisors (see below), whose sum is σ = 3774810. Its totient is φ = 1006608.

The previous prime is 2013197. The next prime is 2013227. The reversal of 2013224 is 4223102.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 2500 = 1418^2 + 50^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2013199 and 2013208.

It is not an unprimeable number, because it can be changed into a prime (2013227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125819 + ... + 125834.

2^2013224 is an apocalyptic number.

It is an amenable number.

2013224 is a deficient number, since it is larger than the sum of its proper divisors (1761586).

2013224 is a wasteful number, since it uses less digits than its factorization.

2013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251659 (or 251655 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2013224 is about 1418.8812494356. The cubic root of 2013224 is about 126.2691818059.

Adding to 2013224 its reverse (4223102), we get a palindrome (6236326).

The spelling of 2013224 in words is "two million, thirteen thousand, two hundred twenty-four".