2236224 has 56 divisors (see below), whose sum is σ = 6238240. Its totient is φ = 705024.

The previous prime is 2236217. The next prime is 2236237. The reversal of 2236224 is 4226322.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2236224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342 + ... + 3954.

2^2236224 is an apocalyptic number.

2236224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2236224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3119120).

2236224 is an abundant number, since it is smaller than the sum of its proper divisors (4002016).

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

2236224 is a wasteful number, since it uses less digits than its factorization.

2236224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 637 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 2236224 is about 1495.4009495784. The cubic root of 2236224 is about 130.7690899475.

The spelling of 2236224 in words is "two million, two hundred thirty-six thousand, two hundred twenty-four".