224442312 has 32 divisors (see below), whose sum is σ = 562210080. Its totient is φ = 74666880.

The previous prime is 224442299. The next prime is 224442319. The reversal of 224442312 is 213244422.

224442312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (224442319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3612 + ... + 21492.

It is an arithmetic number, because the mean of its divisors is an integer number (17569065).

Almost surely, 2^224442312 is an apocalyptic number.

It is an amenable number.

224442312 is an abundant number, since it is smaller than the sum of its proper divisors (337767768).

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

224442312 is a wasteful number, since it uses less digits than its factorization.

224442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18413 (or 18409 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 224442312 is about 14981.3988665945. The cubic root of 224442312 is about 607.7172695731.

Adding to 224442312 its reverse (213244422), we get a palindrome (437686734).

The spelling of 224442312 in words is "two hundred twenty-four million, four hundred forty-two thousand, three hundred twelve".