2193224 has 16 divisors (see below), whose sum is σ = 4486320. Its totient is φ = 996880.

The previous prime is 2193223. The next prime is 2193239. The reversal of 2193224 is 4223912.

It is a self number, because there is not a number n which added to its sum of digits gives 2193224.

It is not an unprimeable number, because it can be changed into a prime (2193223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12374 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (280395).

2^2193224 is an apocalyptic number.

It is an amenable number.

2193224 is an abundant number, since it is smaller than the sum of its proper divisors (2293096).

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

2193224 is a wasteful number, since it uses less digits than its factorization.

2193224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24940 (or 24936 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 2193224 is about 1480.9537467457. The cubic root of 2193224 is about 129.9254799734.

It can be divided in two parts, 219 and 3224, that added together give a palindrome (3443).

The spelling of 2193224 in words is "two million, one hundred ninety-three thousand, two hundred twenty-four".