224643244 has 36 divisors (see below), whose sum is σ = 458620176. Its totient is φ = 95999904.

The previous prime is 224643241. The next prime is 224643257. The reversal of 224643244 is 442346422.

224643244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (224643241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76369 + ... + 79255.

Almost surely, 2^224643244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224643244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229310088).

224643244 is an abundant number, since it is smaller than the sum of its proper divisors (233976932).

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

224643244 is a wasteful number, since it uses less digits than its factorization.

224643244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302 (or 3293 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 224643244 is about 14988.1034157094. The cubic root of 224643244 is about 607.8985684613.

Adding to 224643244 its reverse (442346422), we get a palindrome (666989666).

The spelling of 224643244 in words is "two hundred twenty-four million, six hundred forty-three thousand, two hundred forty-four".