2732224 has 28 divisors (see below), whose sum is σ = 5916168. Its totient is φ = 1241600.

The previous prime is 2732221. The next prime is 2732237. The reversal of 2732224 is 4222372.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2732195 and 2732204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732221) 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, 1237 + ... + 2644.

2^2732224 is an apocalyptic number.

It is an amenable number.

2732224 is an abundant number, since it is smaller than the sum of its proper divisors (3183944).

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

2732224 is a wasteful number, since it uses less digits than its factorization.

2732224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3894 counting only the distinct ones).

The product of its digits is 1344, while the sum is 22.

The square root of 2732224 is about 1652.9440401901. The cubic root of 2732224 is about 139.7994407139.

Adding to 2732224 its reverse (4222372), we get a palindrome (6954596).

The spelling of 2732224 in words is "two million, seven hundred thirty-two thousand, two hundred twenty-four".