2224224 has 36 divisors (see below), whose sum is σ = 6325956. Its totient is φ = 741312.

The previous prime is 2224193. The next prime is 2224231. The reversal of 2224224 is 4224222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2224197 and 2224206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3574 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (175721).

2^2224224 is an apocalyptic number.

2224224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2224224 is an abundant number, since it is smaller than the sum of its proper divisors (4101732).

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

2224224 is a wasteful number, since it uses less digits than its factorization.

2224224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739 (or 7728 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 2224224 is about 1491.3832505429. The cubic root of 2224224 is about 130.5347597546.

Adding to 2224224 its reverse (4224222), we get a palindrome (6448446).

The spelling of 2224224 in words is "two million, two hundred twenty-four thousand, two hundred twenty-four".