224143331 has 2 divisors, whose sum is σ = 224143332. Its totient is φ = 224143330.

The previous prime is 224143327. The next prime is 224143397. The reversal of 224143331 is 133341422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224143331 - 2² = 224143327 is a prime.

It is a super-2 number, since 2×224143331² = 100480465663551122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 224143297 and 224143306.

It is not a weakly prime, because it can be changed into another prime (224140331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112071665 + 112071666.

It is an arithmetic number, because the mean of its divisors is an integer number (112071666).

Almost surely, 2^224143331 is an apocalyptic number.

224143331 is a deficient number, since it is larger than the sum of its proper divisors (1).

224143331 is an equidigital number, since it uses as much as digits as its factorization.

224143331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 224143331 is about 14971.4171339924. The cubic root of 224143331 is about 607.4473016772.

Adding to 224143331 its reverse (133341422), we get a palindrome (357484753).

The spelling of 224143331 in words is "two hundred twenty-four million, one hundred forty-three thousand, three hundred thirty-one".