2224724 has 6 divisors (see below), whose sum is σ = 3893274. Its totient is φ = 1112360.

The previous prime is 2224709. The next prime is 2224741. The reversal of 2224724 is 4274222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 4624 = 1490^2 + 68^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2224724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278087 + ... + 278094.

It is an arithmetic number, because the mean of its divisors is an integer number (648879).

2^2224724 is an apocalyptic number.

It is an amenable number.

2224724 is a deficient number, since it is larger than the sum of its proper divisors (1668550).

2224724 is a wasteful number, since it uses less digits than its factorization.

2224724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556185 (or 556183 counting only the distinct ones).

The product of its digits is 1792, while the sum is 23.

The square root of 2224724 is about 1491.5508707382. The cubic root of 2224724 is about 130.5445403177.

Adding to 2224724 its reverse (4274222), we get a palindrome (6498946).

The spelling of 2224724 in words is "two million, two hundred twenty-four thousand, seven hundred twenty-four".