224300021444 has 12 divisors (see below), whose sum is σ = 393984240300. Its totient is φ = 111733095648.

The previous prime is 224300021443. The next prime is 224300021489. The reversal of 224300021444 is 444120003422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26308840000 + 197991181444 = 162200^2 + 444962^2 .

It is not an unprimeable number, because it can be changed into a prime (224300021443) 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, 104227559 + ... + 104229710.

It is an arithmetic number, because the mean of its divisors is an integer number (32832020025).

Almost surely, 2^224300021444 is an apocalyptic number.

It is an amenable number.

224300021444 is a deficient number, since it is larger than the sum of its proper divisors (169684218856).

224300021444 is a wasteful number, since it uses less digits than its factorization.

224300021444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208457542 (or 208457540 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 224300021444 its reverse (444120003422), we get a palindrome (668420024866).

The spelling of 224300021444 in words is "two hundred twenty-four billion, three hundred million, twenty-one thousand, four hundred forty-four".