224421224 has 8 divisors (see below), whose sum is σ = 420789810. Its totient is φ = 112210608.

The previous prime is 224421221. The next prime is 224421247. The reversal of 224421224 is 422124422.

224421224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 135722500 + 88698724 = 11650^2 + 9418^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 224421224.

It is not an unprimeable number, because it can be changed into a prime (224421221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14026319 + ... + 14026334.

Almost surely, 2^224421224 is an apocalyptic number.

It is an amenable number.

224421224 is a deficient number, since it is larger than the sum of its proper divisors (196368586).

224421224 is a wasteful number, since it uses less digits than its factorization.

224421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28052659 (or 28052655 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 224421224 is about 14980.6950439557. The cubic root of 224421224 is about 607.6982358133.

Adding to 224421224 its reverse (422124422), we get a palindrome (646545646).

The spelling of 224421224 in words is "two hundred twenty-four million, four hundred twenty-one thousand, two hundred twenty-four".