3642224 has 20 divisors (see below), whose sum is σ = 7428840. Its totient is φ = 1725120.

The previous prime is 3642209. The next prime is 3642227. The reversal of 3642224 is 4222463.

It is a self number, because there is not a number n which added to its sum of digits gives 3642224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642227) 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, 5687 + ... + 6294.

It is an arithmetic number, because the mean of its divisors is an integer number (371442).

Almost surely, 2^3642224 is an apocalyptic number.

It is an amenable number.

3642224 is an abundant number, since it is smaller than the sum of its proper divisors (3786616).

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

3642224 is a wasteful number, since it uses less digits than its factorization.

3642224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008 (or 12002 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 3642224 is about 1908.4611602021. The cubic root of 3642224 is about 153.8587561984.

Adding to 3642224 its reverse (4222463), we get a palindrome (7864687).

The spelling of 3642224 in words is "three million, six hundred forty-two thousand, two hundred twenty-four".