224231144 has 8 divisors (see below), whose sum is σ = 420433410. Its totient is φ = 112115568.

The previous prime is 224231131. The next prime is 224231149. The reversal of 224231144 is 441132422.

It can be written as a sum of positive squares in only one way, i.e., 217208644 + 7022500 = 14738^2 + 2650^2 .

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

It is not an unprimeable number, because it can be changed into a prime (224231149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14014439 + ... + 14014454.

Almost surely, 2^224231144 is an apocalyptic number.

It is an amenable number.

224231144 is a deficient number, since it is larger than the sum of its proper divisors (196202266).

224231144 is a wasteful number, since it uses less digits than its factorization.

224231144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28028899 (or 28028895 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 224231144 is about 14974.3495351217. The cubic root of 224231144 is about 607.5266181950.

Adding to 224231144 its reverse (441132422), we get a palindrome (665363566).

The spelling of 224231144 in words is "two hundred twenty-four million, two hundred thirty-one thousand, one hundred forty-four".